Most exoplanets orbiting close to their stars don’t have atmospheres. But Gliese 486b – orbiting a red dwarf star only 24 light-years away – does. It’s close enough to see well. Astronomers will be watching it! Source: https://earthsky.org/space/gliese-486b-hot-super-earth-with-atmosphere…
Tag: rocks
7.3-magnitude earthquake rocks New Zealand, spawns tsunami warning
At this writing, the National Emergency Management Agency of New Zealand is still warning people to stay away from harbors, rivers and estuaries. Source: https://earthsky.org/earth/earthquake-new-zealand-march-4-5-2021-tsunami-warning…
Planetary defense experts use infamous asteroid Apophis to practice spotting dangerous space rocks
Eight years after an asteroid exploded over Chelyabinsk, Russia, scientists are taking advantage of a flyby of the infamous asteroid Apophis to practice protecting Earth from space rocks. Source: https://www.livescience.com/apophis-2021-flyby-for-planetary-defense-practice.html
What’s the coldest Earth has ever been?
Our planet’s history includes episodes of cold so extreme that glaciers reached sea level in equatorial regions. Source: https://earthsky.org/earth/whats-coldest-earth-has-ever-been…
‘Earth wind’ may generate water on the moon
Particles carried from Earth’s poles via our planet’s magnetosphere could be interacting with lunar rocks to create small quantities of water on the moon. Source: https://earthsky.org/space/earth-wind-may-generate-water-on-moon…
NASA rover lands on Mars to look for signs of ancient life
A NASA rover streaked through the orange Martian sky and landed on the planet Thursday, accomplishing the riskiest step yet in an epic quest to bring back rocks that could answer whether life ever existed on Mars. Source: https://phys.org/news/2021-02-nasa-rover-mars-ancient-life.html…
Dark streaks on Mars may be caused by salts and melting ice
Researchers at the SETI Institute say that unusual dark streaks on sun-facing slopes on Mars, debated about for years, may be small landslides caused by a combination of salts and melting ice just below the surface. Source: https://earthsky.org/space/mars-dark-streaks-melting-ice-recurring-slope-lineae…
NASA rover streaks toward a landing on Mars
A NASA rover streaked toward a landing on Mars on Thursday in the riskiest step yet in an epic quest to bring back rocks that could answer whether life ever existed on the red planet. Source: https://phys.org/news/2021-02-nasa-rover-streaks-mars.html…
‘Extraterrestrial crystal ball’ hits the auction block at Christie’s
Spectacular space rocks from Mars and the moon could fetch hundreds of thousands of dollars at a Christie’s auction. Source: https://www.livescience.com/christies-meteorite-auction-deep-impact.html
Hey, kids! Meet the new Hot Wheels Mars rover!
Mattel, maker of Hot Wheels, has just released a new Hot Wheels Mars Perseverance Rover to celebrate the landing of the NASA Perseverance rover on Mars on February 18. Source: https://earthsky.org/human-world/hot-wheels-mars-perseverance-rover-mattel…