Primary Country (Mandatory)

United States

Other Country (Optional)

Set News Language for United States

Primary Language (Mandatory)
English
Other Language[s] (Optional)
No other language available

Set News Language for World

Primary Language (Mandatory)
English
Other Language(s) (Optional)

Set News Source for United States

Primary Source (Mandatory)
CNN
Other Source[s] (Optional)

Set News Source for World

Primary Source (Mandatory)
AajTak
Other Source(s) (Optional)
  • Countries
    • India
    • United States
    • Qatar
    • Germany
    • China
    • Canada
    • World
  • Categories
    • National
    • International
    • Business
    • Entertainment
    • Sports
    • Special
    • All Categories
  • Available Languages for United States
    • English
  • All Languages
    • English
    • Hindi
    • Arabic
    • German
    • Chinese
    • French
  • Sources
    • India
      • AajTak
      • NDTV India
      • The Hindu
      • India Today
      • Zee News
      • NDTV
      • BBC
      • The Wire
      • News18
      • News 24
      • The Quint
      • ABP News
      • Zee News
      • News 24
    • United States
      • CNN
      • Fox News
      • Al Jazeera
      • CBSN
      • NY Post
      • Voice of America
      • The New York Times
      • HuffPost
      • ABC News
      • Newsy
    • Qatar
      • Al Jazeera
      • Al Arab
      • The Peninsula
      • Gulf Times
      • Al Sharq
      • Qatar Tribune
      • Al Raya
      • Lusail
    • Germany
      • DW
      • ZDF
      • ProSieben
      • RTL
      • n-tv
      • Die Welt
      • Süddeutsche Zeitung
      • Frankfurter Rundschau
    • China
      • China Daily
      • BBC
      • The New York Times
      • Voice of America
      • Beijing Daily
      • The Epoch Times
      • Ta Kung Pao
      • Xinmin Evening News
    • Canada
      • CBC
      • Radio-Canada
      • CTV
      • TVA Nouvelles
      • Le Journal de Montréal
      • Global News
      • BNN Bloomberg
      • Métro
MoreBack to News Headlines
New measurements reveal the enormous halos shrouding all galaxies
Premium

New measurements reveal the enormous halos shrouding all galaxies Premium

The Hindu
Wednesday, September 11, 2024 10:28 AM GMT

Scientists reveal the first detailed picture of the gas shroud around a galaxy, extending 100,000 light years out into “empty” space. If the Milky Way has a similar halo, it is likely already interacting with the halo of the nearest galactic neighbour, Andromeda

Have you ever wanted to make a $150,000 gamble? If you’re right, you open a new window to the universe. But if you’re wrong, you’ve just wasted a lot of money and time.

That is exactly what my team did when we pointed the Keck telescope at Mauna Kea Observatory in Hawai’i at what looked like empty space, hoping to reveal the hidden gas that shrouds all galaxies in the universe. There were cheers in the control room when we realised our gamble had paid off.

In a study published today in Nature Astronomy, we reveal the first detailed picture of the gas shroud around a galaxy, extending 100,000 light years out into “empty” space. If our own Milky Way has a similar halo, it is likely already interacting with the halo of our nearest galactic neighbour, Andromeda.

Most of the matter in the universe is not in the bright stars that make up the spectacular images of galaxies we see. For one thing, galaxies are surrounded by dark matter – which astronomers believe is some kind of exotic invisible particle.

But even most of the normal matter is not in stars. Instead, it is in gigantic clouds of gas that surround galaxies.

We believe these halos around galaxies contain as much as 70–90% of the universe’s normal matter (mostly consisting of hydrogen, helium, carbon, nitrogen and oxygen gas).

Understanding this diffuse gas – which is where all the stars and planets we see had their beginnings – helps us understand more about our own story, on the grandest scales.

Read full story on The Hindu
Share this story on:-
Run 3 Space | Play Space Running GamePlay Run 3, the ultimate space tunnel running game with 300+ challenging levels!Adv.
Traffic Jam 3D | Online Racing GameTraffic Jam 3D is a game where you’ll be driving through heavy traffic.Adv.
Duck Hunt | Play Old Classic GamePlay the classic 1984 light gun shooter game Duck Hunt on your browser.Adv.
More Related News
Waymo leads autonomous taxi race in the U.S.

Waymo’s autonomous vehicles have become part of the everyday landscape in a growing number of U.S. cities.

Pride Month 2025| Interfaith Pride Fest to be held in Hyderabad

Interfaith Pride Fest in Hyderabad on June 14 celebrates queerness and spirituality, offering a safe space for expression and reflection.

How safe AI is in healthcare depends on the humans of healthcare Premium

AI tools are quietly reshaping Indian healthcare. From foetal ultrasound dating and high-risk-pregnancy guidance to virtual autopsies and clinical chatbots, they are matching expert accuracy while accelerating workflows. Yet their promise comes entwined with the systemic challenges of data and automation bias, privacy, and weak regulation, often exacerbated by the sensitivities of the healthcare sector itself.

Kerala University’s archaeological excavation unearths 5,300-year-old Early Harappan settlement in Gujarat

University of Kerala archaeologists uncover 5,300-year-old Early Harappan settlement near Lakhapar village in Gujarat, revealing unique cultural insights.

Watch: A beginner’s guide to brewing coffee

Divya Jayashankar at Beachville Coffee Roasters takes us through a beginner-friendly guide to coffee brewing methods in Chennai.

Elon Musk says Tesla’s robotaxi service to “tentatively” launch in Austin on June 22

The Austin Tesla rollout also comes after Musk had a public blow-up with U.S. President Donald Trump over the administration’s tax bill.

Monsoon-loving Indian expats chase rain in UAE desert

Indian expat in UAE chases elusive rain in the desert, using high-tech tools to forecast and enjoy monsoon nostalgia.

VinFast’s India strategy will have an entire EV ecosystem, including strong dealership presence in Tier two and three cities

VinFast’s entry into India is a strategic one, and it comes with real investment. The company is setting up a manufacturing facility in Tuticorin, Tamil Nadu, with an initial capacity of 50,000 vehicles per year, scalable to 150,000 units annually. With an investment of up to USD 500 million, this is not a soft launch—it is a full-fledged push into what is one of the world’s most promising auto markets.

What is the origin of gravity? Premium

Isaac Newton and Albert Einstein's theories on gravity explained, from mass and distance to spacetime deformation and energy.

Why do we use QWERTY keyboards?

The history of the QWERTY keyboard layout and why it remains the standard despite more efficient alternatives available.

The story of how heeng came to be successfully cultivated in India Premium

Heeng, an essential ingredient in Indian cuisines, is successfully cultivated in India, reducing import dependence and enhancing farmer incomes.

Indian astronaut Shubhanshu Shukla’s mission to International Space Station postponed once again

ISRO postpones Axiom-4 mission launch to ISS for Indian astronaut due to weather conditions, rescheduled for June 11.

Picture of the week: The superhumans of Mumbai

In Mallakhamb, a traditional performative sport from India, performers balance themselves on a pole and perform acrobatics.

Parking Slot | Free Parking GamePlay Parking Slot, the best online 3D car driving and parking game.Adv.
Slope Ball Run - Play OnlineSlope Game takes you on an exciting journey of a ball on special paths.Adv.
International Yoga Day: Odissi exponent Surupa Sen on how dance and yoga nourish the body and the mind

Discover the essence of balance and mindfulness through ancient practices of yoga and classical dance for a holistic experience.

Vietnam’s electric vision eyes Indian roads

VinFast's VF6 and VF7 electric SUVs make a strong entry into India's competitive market with advanced features and performance.

SpaceX rocket being tested in Texas explodes, but no injuries reported

SpaceX rocket explodes during test in Texas, no injuries reported, company working with officials on response.

Funding, infrastructure, general environment woes unattractive for senior international scientists to work in India: Nobel laureate Venki Ramakrishnan Premium

U.S. funding cuts prompt scientists to consider moving abroad, with India facing challenges in attracting top talent.

How do electric meters read your bills?

Learn how electric meters work to track your energy usage and calculate your electricity bill accurately.

Trade tariffs close borders but may open doors to invasive alien species Premium

Invasive alien species, like the giant African snail, pose a threat to India's biodiversity and economy, requiring stronger biosecurity measures.

Research consumables supply center inaugurated at AIC-CCMB in Hyderabad; it cuts waiting time to get chemical agents

New supply center by Thermo Fisher Scientific at AIC-CCMB promises faster access to essential research consumables in Hyderabad.

Is psychology’s replication crisis behind us? Premium

New research shows psychology has improved standards post-replication crisis, with fewer fragile p-values and rising statistical power.

What the IAEA’s non-compliance resolution means for Iran, and the world Premium

IAEA declares Iran in breach of obligations, sparking global tensions over nuclear program and potential sanctions.

What the IAEA’s non-compliance resolution means for Iran, and the world Premium

IAEA declares Iran in breach of obligations, sparking global tensions over nuclear program and potential sanctions.

Science behind setting the right temperature on the air conditioner

Union Ministry of Power considers restricting new ACs to 20-28 degrees Celsius for energy efficiency and health benefits.

What made Boeing 787s popular – and later a cause for concern Premium

Air India flight AI171 crash details, Boeing 787-8 Dreamliner design, engine specifics, and safety concerns explained.

© 2008 - 2025 Webjosh  |  News Archive  |  Privacy Policy  |  Contact Us