Astronomy news

• Water may have been on Mars much more recently than scientists thought, China's rover suggests

  11-05-2022 23:21 via space.com
  
  Evidence is growing that Mars, now cold and dry, had liquid water running on its surface much more recently than previously thought.
  
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• China's Mars rover Zhurong is hunkering down for its 1st Red Planet winter

  11-05-2022 20:47 via space.com
  
  China's Zhurong Mars rover is adjusting to its first winter on the Red Planet while its companion orbiter continues to map the world from above.
  
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• SpaceX's Crew-3 astronauts dish on their action-packed 6 months in orbit

  11-05-2022 20:19 via space.com
  
  From dodging space debris to welcoming the first-ever fully private astronaut mission to the International Space Station, SpaceX's Crew-3 mission had a very eventful six months off Earth.
  
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• Scientists peer inside a Mars meteorite to check for signs of a habitable world

  11-05-2022 20:02 via space.com
  
  Liquid water once shaped the rock inside a meteorite from Mars, but likely did not support any microbial life, a new study finds.
  
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• The Chandrasekhar limit: Why only some stars become supernovas

  11-05-2022 19:59 via space.com
  
  The Chandrasekhar limit determines whether a star ends its life as a smoldering white dwarf or explodes in a supernova becoming a neutron star or black hole.
  
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• Save $120 on the Anycubic Photon Mono X 6K 3D printer

  11-05-2022 19:29 via space.com
  
  Grab a huge discount on a 3D printer that features top-quality specs that are sure to impress.
  
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• Cretaceous asteroid armageddon ignites TV screens in 'Dinosaur Apocalypse'

  11-05-2022 19:03 via space.com
  
  'Dinosaur Apocalypse,' a PBS NOVA special narrated by Sir David Attenborough, attempts to reconstruct the day Earth was hit by an asteroid 66 million years ago.
  
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• Get the Terraforming Mars video game for free right now from Epic Games

  11-05-2022 17:52 via space.com
  
  The PC version of "Terraforming Mars" for free right now from Epic Games, but act fast.
  
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• When a White Dwarf Turned into a Thermonuclear Fireball

  11-05-2022 17:41
  
  Astronomers have spotted the X-ray flash that precedes a nova. The brief flare is the first sign of a white dwarf erupting into a nuclear-fusion fireball.
  The post When a White Dwarf Turned into a Thermonuclear Fireball appeared first on Sky & Telescope.
  
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• Watching a White Dwarf Turn into a Thermonuclear Fireball

  11-05-2022 17:41
  
  Astronomers have spotted the X-ray flash that precedes a nova. The brief flare is the first sign of a white dwarf erupting into a nuclear-fusion fireball.
  The post Watching a White Dwarf Turn into a Thermonuclear Fireball appeared first on Sky & Telescope.
  
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• Astronomers Watched a White Dwarf Turn into a Thermonuclear Fireball

  11-05-2022 17:41
  
  Astronomers have spotted the X-ray flash that precedes a nova. The brief flare is the first sign of a white dwarf erupting into a nuclear-fusion fireball.
  The post Astronomers Watched a White Dwarf Turn into a Thermonuclear Fireball appeared first on Sky & Telescope.
  
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• Stronger gravity in the early universe may solve a cosmological conundrum

  11-05-2022 17:00 via space.com
  
  The inflationary epoch that caused our universe to rapidly expand in its earliest moments may be connected to the modern era of dark energy.
  
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• Hubble Space Telescope spots star that survived violent explosion of neighbor

  11-05-2022 16:53 via space.com
  
  NASA's Hubble Space Telescope has spotted the surviving stellar companion of a star that exploded in a bright, fiery death.
  
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• Sagittarius A*: The Milky Way's supermassive black hole

  11-05-2022 15:54 via space.com
  
  At the heart of our galaxy lies a supermassive black hole — Sagittarius A*. Here is what we know so far about this massive slumbering cosmic titan.
  
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• Celestron telescope & binocular deals you can still get: Discounts & what's in stock

  11-05-2022 15:41 via space.com
  
  Hunting for a discount on a Celestron telescope or binocular? Here's what's in stock.
  
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• How to Image an Exoplanet with Just a Few Pixels

  11-05-2022 14:30
  
  Using Earth as an example, astronomers are testing a new technique that could image rocky exoplanets without resolving them.
  The post How to Image an Exoplanet with Just a Few Pixels appeared first on Sky & Telescope.
  
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• NASA's James Webb Space Telescope is almost ready for science. Here's what's next.

  11-05-2022 12:39 via space.com
  
  The days are ticking away before NASA's massive new observatory shows us the cosmos as we've never seen it before.
  
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• Virgin Orbit is buying 2 more rocket-launching planes

  11-05-2022 12:00 via space.com
  
  Virgin Orbit announced Tuesday (May 10) that it's acquiring two more Boeing 747 planes, which will be modified to carry LauncherOne rockets high into the skies.
  
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• DARPA's 'Glide Breaker' hypersonic missile interceptor program enters new phase

  11-05-2022 12:00 via space.com
  
  A U.S. military proposal to blast hypersonic weapons out of the sky is entering a new phase.
  
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• Climate change: Causes and effects

  11-05-2022 11:56 via space.com
  
  Climate change is the long-term, continued shifting of temperatures and weather patterns on planet Earth; an evolution driven by human activities.
  
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• Lunar eclipses: Everything you need to know

  11-05-2022 11:14 via space.com
  
  Lunar eclipses are caused by Earth blocking the sun and casting a shadow over the surface of the moon. We explore this phenomenon in more detail here.
  
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• 17 May 2022 (7 days away): Conjunction of Mars and Neptune

  11-05-2022 01:03 via in-the-sky.org
  
  Mars and Neptune share the same right ascension, at a separation of 0°34'.
  
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• 17 May 2022 (6 days away): The Moon at perigee

  11-05-2022 01:03 via in-the-sky.org
  
  The Moon appears large as it makes its closest approach to the Earth.
  
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• 17 May 2022 (6 days away): The Moon at aphelion

  11-05-2022 01:03 via in-the-sky.org
  
  The Moon reaches its furthest point from the Sun.
  
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• 16 May 2022 (5 days away): Total lunar eclipse

  11-05-2022 01:03 via in-the-sky.org
  
  There will be an eclipse of the Moon, visible from Africa, the Americas, Europe and French Polynesia.
  
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• 16 May 2022 (5 days away): Full Moon

  11-05-2022 01:03 via in-the-sky.org
  
  The Moon is visible for much of the night.
  
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• 15 May 2022 (4 days away): Venus at aphelion

  11-05-2022 01:03 via in-the-sky.org
  
  Venus reaches its furthest point from the Sun.
  
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