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Space News: Hubble celebrates 34th anniversary with a look at the Little Dumbbell Nebula

Little Dumbbell Nebula (M76). Image credit: NASA, ESA, STScI, A. Pagan (STScI).

In celebration of the 34th anniversary of the launch of the legendary NASA/ESA Hubble Space Telescope on April 24, astronomers took a snapshot of the Little Dumbbell Nebula (also known as Messier 76, M76, or NGC 650/651) located 3400 light-years away in the northern circumpolar constellation Perseus.

The photogenic nebula is a favorite target of amateur astronomers.

M76 is classified as a planetary nebula, an expanding shell of glowing gases that were ejected from a dying red giant star. The star eventually collapses to an ultra-dense and hot white dwarf.

A planetary nebula is unrelated to planets, but has that name because astronomers in the 1700s using low-power telescopes thought this type of object resembled a planet.

M76 is composed of a ring, seen edge-on as the central bar structure, and two lobes on either opening of the ring. Before the star burned out, it ejected the ring of gas and dust. The ring was probably sculpted by the effects of the star that once had a binary companion star.

This sloughed-off material created a thick disc of dust and gas along the plane of the companion’s orbit. The hypothetical companion star isn’t seen in the Hubble image, and so it could have been later swallowed by the central star. The disc would be forensic evidence for that stellar cannibalism.

The primary star is collapsing to form a white dwarf. It is one of the hottest stellar remnants known, at a scorching 120 000 degrees Celsius, 24 times our Sun’s surface temperature. 
The sizzling white dwarf can be seen as a pinpoint in the center of the nebula. A star visible in projection beneath it is not part of the nebula.

Pinched off by the disc, two lobes of hot gas are escaping from the top and bottom of the ‘belt’ along the star’s rotation axis that is perpendicular to the disc. They are being propelled by the hurricane-like outflow of material from the dying star, tearing across space at two million miles per hour. That’s fast enough to travel from Earth to the Moon in a little over seven minutes!

This torrential ‘stellar wind’ is plowing into cooler, slower-moving gas that was ejected at an earlier stage in the star’s life, when it was a red giant. Ferocious ultraviolet radiation from the super-hot star is causing the gases to glow. The red colour is from nitrogen, and blue is from oxygen.


Given that our solar system is 4.6 billion years old, the entire nebula is a flash in the pan by cosmological timekeeping. It will vanish in about 15 000 years.


34 years of science and imagery

Since its launch in 1990 Hubble has made 1.6 million observations of over 53 000 astronomical objects. To date, the Mikulski Archive for Space Telescopes at the Space Telescope Science Institute in Baltimore, Maryland holds 184 terabytes of processed data that are science-ready for use by astronomers around the world to use for research and analysis.

A European mirror of the public data is hosted at ESA's European Space Astronomy Centre (ESAC), in the European Hubble Space Telescope (eHST) Science Archive.

Since 1990, 44 000 science papers have been published from Hubble observations. This includes a record 1056 papers published in 2023, of which 409 were led by authors in the ESA Member States. The demand for using Hubble is so high it is currently oversubscribed by a factor of six.

Throughout its past year of science operations, new discoveries made using Hubble include finding water in the atmosphere of the smallest exoplanet to date, spotting a bizarre cosmic explosion far from any host galaxy, following spokes on the rings of Saturn and finding the unexpected home of the most distant and powerful fast radio burst yet seen.

Hubble’s studies of the asteroid Dimorphos, the target of a deliberate NASA spacecraft collision in September 2022 to alter its trajectory, continued with the detection of boulders released by the impact.

Hubble has also continued to provide spectacular images of celestial targets including spiral galaxies, globular clusters and star-forming nebulae. A newly forming star was the source of a cosmic light show. Hubble imagery was also combined with infrared observations from the NASA/ESA/CSA James Webb Space Telescope to create one of the most comprehensive views of the Universe ever, an image of galaxy cluster MACS 0416.

Most of Hubble’s discoveries were not anticipated before launch, such as supermassive black holes, the atmospheres of exoplanets, gravitational lensing by dark matter, the presence of dark energy, and the abundance of planet formation among stars.

Hubble will continue research in those domains, as well as capitalizing on its unique ultraviolet-light capability to examine such things as Solar System phenomena, supernova outbursts, the composition of exoplanet atmospheres, and dynamic emission from galaxies.

And Hubble investigations continue to benefit from its long baseline of observations of Solar System objects, variable stellar phenomena and other exotic astrophysics of the cosmos.

The performance characteristics of the James Webb Space Telescope were designed to be uniquely complementary to Hubble, and not a substitute. Future Hubble research also will take advantage of the opportunity for synergies with Webb, which observes the Universe in infrared light.

Combined together, the complementary wavelength coverage of the two space telescopes expands on groundbreaking research in such areas as protostellar discs, exoplanet composition, unusual supernovae, cores of galaxies and chemistry of the distant Universe.

The Hubble Space Telescope has been operating for over three decades and continues to make ground-breaking discoveries that shape our fundamental understanding of the Universe.

The Hubble Space Telescope is a project of international cooperation between ESA and NASA.

Lake County jobless rate drops in March

LAKE COUNTY, Calif. — With spring’s arrival this year, the unemployment rate in Lake County showed improvement.

The California Employment Development Department’s latest report on joblessness in California showed a positive pattern.

Lake County’s March jobless rate was 6.6%, down from 7.2% in February and 7.4% in January. The March 2023 rate was slightly better, at 6.3%.

For California as a whole, the EDD reported that the state unemployment rate held steady at 5.3% for a second month. Like Lake County, California had a better jobless rate in March of 2023, at 4.7%.

At the same time, the U.S. Bureau of Labor Statistics reported that the nation’s March jobless rate was 3.8%, down from 3.9% in February. The United States has a total unemployment rate of 3.5% in March of 2023.

While Lake County’s jobless rate went down — with 200 fewer people unemployed in March than in February — it showed declines in jobs across nearly every category. Only mining, logging and construction, at 1.2%, and leisure and hospitality, 1.8%, showed growth, while all other categories either declined or stayed flat.

The civilian labor force numbered 29,170 individuals in March, compared to 29,760 in February and 28,880 in March of 2023.

On a statewide level, the EDD said California’s employers added 28,300 nonfarm payroll jobs in March. Despite the mostly weather-related job loss of 6,600 in February — revised down by 3,200 — March continued a job growth trend over the last eight months that totals 205,200 jobs, a monthly average increase of 25,700 jobs.

The EDD said California payroll jobs totaled 17,996,200 in March, up 28,300 from February and up 217,700 from March of last year.

California’s job market expansion is now 47 months long. Since April 2020, California has gained 3,062,700 jobs, or about 65,200 per month on average, the EDD reported.

Seven of California's 11 industry sectors gained jobs in March with private education and health services (+13,600) posting the largest month-over gain for the third month in a row, the EDD said. This was due in part to payroll additions in social assistance, which saw noticeable growth with in-home support service workers.

The state said construction bounced back after a weather-related decrease last month with a gain of 4,600 jobs. The industry is up 33,900 jobs over the year.

Manufacturing dropped 5,300 jobs, experiencing the largest month-over job reduction with losses in sectors including machinery manufacturing and food manufacturing. In Lake County, manufacturing showed no growth in March but was 6.3% up over the year.

The EDD said California’s latest unemployment rate is in line with the 5% average rate over five years leading into the pandemic — during one of the longest economic expansions in state history.

For March, Lake County’s jobless rate earned it a rank of No. 35 out of California’s 58 counties, the same as it had in February.

Lake’s neighboring county jobless rates and ranks were: Colusa, 19.2%, No. 58; Glenn, 7.6%, No. 44; Mendocino, 5.7%, No. 27; Napa and Sonoma counties, tied at 4.2%, No. 8; and Yolo, 5.8%, No. 29.

San Mateo County continues to hold the lowest unemployment rate in California, 3.5%, an improvement over the 3.7% rate reported for February.

In related data that figures into the state’s unemployment rate, there were 446,130 people certifying for Unemployment Insurance benefits during the March 2024 sample week. That compares to 425,760 people in February and 414,119 people in March 2023.

The EDD said a total of 41,000 initial claims for unemployment were processed in the March 2024 sample week, which was a month-over decrease of 260 claims from February and a year-over decrease of 5,792 claims from March 2023.

Email Elizabeth Larson at This email address is being protected from spambots. You need JavaScript enabled to view it.. Follow her on Twitter, @ERLarson, or Lake County News, @LakeCoNews.

Thompson, Huffman address California insurance crisis



On Thursday, Reps. Mike Thompson (CA-04) and Jared Huffman (CA-02) were joined by Realtors, home builders, agriculture leaders, insurance leaders and fire survivors for a press conference at Santa Rosa’s Coffey Park in support of H.R. 7849, The Disaster Resiliency and Coverage Act of 2024, to help address California’s property insurance crisis.

“As insurers increasingly pull out of housing markets, California homeowners and business owners are struggling to find coverage,” said Thompson. “At the same time, the climate crisis is causing natural disasters to intensify, and families are increasingly relying on their insurers to help them rebuild. For example, those same families who relied on insurance to help rebuild their homes following the 2017 Tubbs Fire in Coffey Park are no longer able to get coverage. Were disaster to strike today, many families wouldn’t recover — and that’s unacceptable.

“I introduced the bipartisan ‘Disaster Resiliency and Coverage Act’ in March to help homeowners protect their property before disaster strikes, which is proven to encourage insurers to re-enter at-risk markets. Californians and Americans in disaster-prone regions across the country need both immediate support and a long-term solution to the insurance crisis,” Thompson said.

“For many folks in California, it feels like disaster hits just as we’re getting our feet back under ourselves from the last big storm or wildfire. Crisis after crisis like this has led to insurers either fleeing the area or jacking prices up that are unrealistic for the average homeowner,” said Rep. Huffman. “Our bill is a clever way to solve this problem: it incentivizes disaster resiliency, which will in turn bring insurers back to the marketplace. We are not going to let the folks we represent get boxed out of the property insurance they need to make staying in their homes possible.”

“Big ships don’t turn on a dime. The insurance crisis in California is a big ship. Congressman Thompson’s proposed legislation turns it around and points it in the right direction,” said City of Rohnert Park Mayor, Susan Hollingsworth-Adams.

“The Disaster Resiliency and Coverage Act goes beyond merely protecting buildings; it’s designed to secure and bolster the financial resilience of local economies by reducing insurance costs and thereby aiding in the retention of local workforce and protection of small businesses,” said Santa Rosa Councilmember Jeff Okrepkie.

“Our multigenerational wine and agricultural communities have been greatly impacted by the lack of access to affordable insurance. Many who once could afford one or two policies that provided complete coverage for their properties and businesses now face the challenge of needing four or five policies to provide only partial coverage at a 100% to 400% rate increase. The proposed legislation is a fantastic step in addressing this critical issue and supporting our wine and agricultural community as we continue our comprehensive wildfire mitigation work,” said Mike Haney of Sonoma County Vintners.

“Risk reduction will give insurance companies the confidence to supply homeowners insurance again,” said Anne Barbour of United Policy Holders.

“Congressman Thompson’s Disaster Resiliency and Coverage Act will provide meaningful assistance for our local homeowners and housing economy, particularly in our region where over half is designated as a high fire zone. The vast majority of local owners carry a mortgage, nearly 40% are spending over a third of their income on housing and are eager to receive help to fortify their properties. This bill would not only provide needed financing to harden homes and improve community resiliency, but also create a pathway to secure affordable insurance,” said Lisa Badenfort of North Bay Association of Realtors.

“The North Coast Builders Exchange is grateful to Congressman Thompson for this important legislation that will help remove another barrier to getting houses built in the North Coast. We are committed to build all kinds of housing for the community and to ensure a strong economy,” said Lisa Wittke Schaffner of North Coast Builders Exchange.

In March, Rep. Thompson and Rep. Doug LaMalfa (CA-01) introduced the bipartisan Disaster Resiliency and Coverage Act of 2024 (H.R. 7849). Rep. Huffman serves as a co-sponsor.

The legislation provides homeowners in disaster-prone regions with broad incentives to harden their properties against wildfires and other natural hazards to help address the ongoing insurance crisis in California and other states.

By incentivizing homeowners to mitigate disaster risks on their property, the legislation will help bring insurers back into the market and lower rates.

The legislation includes the establishment of a grant program, administered through State governments, through which certain individual households in designated disaster-prone regions are eligible for up to $10,000 for specified hazard mitigation work on their homes.

The legislation also provides a 30% tax credit for these mitigation activities conducted by individuals, farms and businesses. The credit complements the grant program by providing meaningful assistance to larger property owners for whom mitigation activity costs would far exceed $10,000.

In addition, the legislation establishes that payments from state-run disaster resiliency programs and payments from various federal emergency agricultural programs are not considered income for federal tax purposes. It also advises states to direct insurers to consider plan owners’ disaster mitigation efforts when setting premiums.

Yuba Community College District reports on completion rates

NORTHERN CALIFORNIA — This week the Yuba Community College District released information on the latest completion rates across its colleges.

The district includes Yuba College and Woodland Community College, the latter of which includes the Lake County Campus in Clearlake.

From 2017 to 2021, Yuba Community College District saw a 24% increase in students completing their associate degrees.

Woodland Community College had a 48% surge in associate degree completions, while Yuba College noted a 16% growth during the same period.

District officials said the latest numbers illustrated “remarkable increases in completion
rates across its colleges,” which it said reflects its commitment to student success.

“Our district and colleges are working hard to serve our students and our communities,” said Dr. Sonja Lolland, the district’s vice chancellor of education and planning. “The work we are doing to improve student support services, streamline processes and improve academic supports is paying off.”

She added that the completion rates significantly exceed the state average.

“These numbers tell a very good story of our faculty and staff’s commitment to our students’ success,” said district Chancellor Dr. Shouan Pan. “Importantly, this increase also indicates our students’ dedication to and belief in themselves. Deciding to attend and remain in college, especially during the pandemic, is not an easy choice. I’m very proud of each student who made the commitment to earn their associate’s and each employee who supported them along the way.”

For millions of Americans, high-speed internet is unavailable or unaffordable − a telecommunications expert explains how to bring broadband to the places that need it the most

 

Broadband is noticeably missing in rural, remote or Indigenous areas. Grant Faint/The Image Bank via Getty Images

Millions of Americans still don’t have access to high-speed internet. Christopher Ali, a professor of telecommunications at Penn State University, discusses who lacks access to broadband and how the federal government – with a US$65 billion commitment – is trying to bring more people online.

Christopher Ali discusses the challenges in bringing high-speed internet to underserved America.

The Conversation has collaborated with SciLine to bring you highlights from the discussion that have been edited for brevity and clarity.

What is broadband internet?

Christopher Ali: Broadband internet, often just called broadband, is the technical term for high-speed internet connectivity.

The Federal Communications Commission, which is in charge of setting an official definition for broadband in the country, defines broadband as an always-on internet connection of 100 megabits-per-second download and 20 megabits-per-second upload.

But what high-speed internet fundamentally means to Americans is do we have the connectivity necessary to go about our digital lives. Can we stream Netflix? Can we go on Zoom? Can we file our taxes? Can we do our homework? Can we do our jobs? Can we game?

What can you tell us about disparities in broadband access?

Christopher Ali: One of the really frustrating things is, despite millions – tens of millions – of dollars spent on broadband mapping, we are still unsure of who is underconnected throughout the country.

Right now, the FCC reports that 7.2 million people lack access, but the commission numbers have been historically suspect. As a result, there are no doubt many more who are unserved and undercounted. In fact, the FCC repeatedly receives challenges to its broadband map.

Back in 2021, for instance, when the FCC reported that about 14 million people lacked internet access, an independent review found that 42 million people lacked access. That’s a huge discrepancy.

But one thing is certain: Broadband deserts are most often found in rural, remote and Indigenous areas.

It’s also clear that cost is part of the issue. Here in the U.S., we pay a tremendous amount of money – the most for internet access monthly than almost any other country in the developed world.

A program called the Affordable Connectivity Program subsidizes broadband for low-income families, and 50 million families across the country are eligible.

Without robust broadband access, communities risk being sidelined in the 21st century economy.

What benefits does broadband access provide?

Christopher Ali: Broadband access can aid with economic development. It can be a game changer when it comes to telehealth, especially for rural, remote and Indigenous communities, which often don’t have enough doctors and nurses. With telehealth, you can suddenly connect with a health care professional.

It aids in education. Some studies have found that access to broadband can impact grades and SAT scores, although there is disagreement about this. But the opportunities for students with broadband are undeniable – like applying online for college and student aid.

It contributes to civic engagement, allowing voters to contact local officials online. It impacts public safety, both in terms of our own safety as members of the public but also by allowing first responders to communicate online with their dispatch.

Broadband also helps sometimes with cultural enrichment, and we see this a lot with Indigenous communities, which can stream cultural and traditional events.

And it improves quality of life. Everyone enjoys being able to FaceTime with family and friends and go shopping online. These things were particularly essential during the COVID-19 pandemic.

The Broadband Equity, Access, and Deployment Program, passed as part of the 2023 infrastructure bill, allocates $42 billion in federal funds to expand broadband infrastructure. How can communities maximize its impact?

Christopher Ali: The money from the BEAD program is going to be managed by the states and not by the federal government. Each state receives a chunk of money, depending on the number of people who are unconnected. Texas, with more than 1 million unserved or underserved locations, will get $3.3 billion, the most of any state. Pennsylvania will get about $1.2 billion.

What states have done a particularly good job expanding broadband access?

Christopher Ali: Minnesota has done some amazing work over the past decade. As I discuss in my book “Farm Fresh Broadband: The Politics of Rural Connectivity,” Minnesota was one of the earliest states to create a broadband grant program – the Border-to-Border program – and has set really ambitious targets. Back in 2016, for instance, the state set up a goal of universal coverage at 100Mbps/20Mbps by 2026.

Another state is Virginia, which really got a wake-up call during the pandemic, and it mobilized a lot of the federal money that came down the pipes to empower counties, cooperatives and local ISPs.

Vermont has done something called communication union districts. They’ve allowed communities to come together to use public funding to deploy broadband networks.

Public networks are going to be a game changer because they empower communities to connect themselves and direct their own digital futures – either with municipally funded networks, or cooperatives, or some sort of public-private partnerships.

Watch the full interview to hear more.

SciLine is a free service based at the American Association for the Advancement of Science, a nonprofit that helps journalists include scientific evidence and experts in their news stories.The Conversation

Christopher Ali, Pioneers Chair in Telecommunications & Professor of Telecommunications, Penn State

This article is republished from The Conversation under a Creative Commons license. Read the original article.

CHP seeks leads on October Highway 29 homicide

LAKE COUNTY, Calif. — The California Highway Patrol said it is investigating the October death of a Lake County man that investigators have ruled a homicide.

The CHP’s Clear Lake Area office identified the murder victim as Andrew Cleofaus-Paul Gurrola, 33, a father of three from Hidden Valley Lake.

At approximately 8:43 p.m. Oct. 17, the CHP received a report of a pedestrian on the side of Highway 29, north of Hofacker Lane near Lower Lake.

The agency had received reports that the pedestrian — later identified as Gurrola — appeared to have blood on his face and was attempting to flag down passing motorists.

The CHP, the Lake County Sheriff’s office and medical personnel responded, officials said.

The initial reports on the incident said Gurrola was found unresponsive, lying on the east shoulder of northbound Highway 29.

Gurrola was pronounced dead at the scene from what the CHP said were “apparent gunshot wounds.”

The CHP’s Northern Division Investigative Services Unit is leading the homicide investigation.

Anyone with information about Gurrola’s death is asked to call the CHP at 530-722-4300 or send an email to This email address is being protected from spambots. You need JavaScript enabled to view it..

Email Elizabeth Larson at This email address is being protected from spambots. You need JavaScript enabled to view it.. Follow her on Twitter, @ERLarson, or Lake County News, @LakeCoNews.
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Community

  • Lake County Wine Alliance offers sponsor update; beneficiary applications open 

  • Mendocino National Forest announces seasonal hiring for upcoming field season

Public Safety

  • Lakeport Police logs: Thursday, Jan. 15

  • Lakeport Police logs: Wednesday, Jan. 14

Education

  • Woodland Community College receives maximum eight-year reaffirmation of accreditation from ACCJC

  • SNHU announces Fall 2025 President's List

Health

  • California ranks 24th in America’s Health Rankings Annual Report from United Health Foundation

  • Healthy blood donors especially vital during active flu season

Business

  • Two Lake County Mediacom employees earn company’s top service awards

  • Redwood Credit Union launches holiday gift and porch-to-pantry food drives

Obituaries

  • Rufino ‘Ray’ Pato

  • Patty Lee Smith

Opinion & Letters

  • The benefits of music for students

  • How to ease the burden of high electric bills

Veterans

  • CalVet and CSU Long Beach team up to improve data collection related to veteran suicides

  • A ‘Big Step Forward’ for Gulf War Veterans

Recreation

  • Wet weather trail closure in effect on Upper Lake Ranger District

  • Mendocino National Forest seeking public input on OHV grant applications

  • State Parks announces 2026 Anderson Marsh nature walk schedule 

  • BLM lifts seasonal fire restrictions in central California

Religion

  • Kelseyville Presbyterian to host Ash Wednesday service and Lenten dinner Feb. 18

  • Kelseyville Presbyterian Church to hold ‘Longest Night’ service Dec. 21

Arts & Life

  • Auditions announced for original musical ‘Even In Shadow’ set for March 21 and 28

  • ‘The Rip’ action heist; ‘Steal’ grounded in a crime thriller

Government & Politics

  • Lake County Democrats issue endorsements in local races for the June California Primary

  • County negotiates money-saving power purchase agreement

Legals

  • March 3 hearing on ordinance amending code for commercial cannabis uses

  • Feb. 12 public hearing on resolution to establish standards for agricultural roads

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