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: Surface
Moon and star Antares morning of March 5, 2021
Let the moon show you Antares, a red supergiant star and the brightest star in the constellation Scorpius the Scorpion on the morning of March 5. Source: https://earthsky.org/tonight/moon-antares-morning-of-mar-5-2021…
Giant iceberg breaks off Brunt Ice Shelf in Antarctica
A giant iceberg, about twice the size of Chicago, broke off from Antartica’s Brunt Ice Shelf in late February 2021. Source: https://earthsky.org/earth/giant-iceberg-breaks-off-antarctica-brunt-ice-shelf…
Help is a long way away: The challenges of sending humans to Mars
On July 20, 1969, Apollo 11 astronaut Buzz Aldrin stepped out a lunar lander onto the surface of the moon. The landscape in front of him, which was made up of stark blacks and grays, resembled what he later called “magnificent desolation.” Source: https://phys.org/news/2021-03-humans-mars.html…
Gulf Stream at its weakest in over 1,000 years
A new study suggests that the Gulf Stream – an Atlantic Ocean current that plays a large role in shaping Earth’s weather patterns – is weaker now than at any point in the last 1,000 years. Source: https://earthsky.org/earth/gulf-stream-atlantic-weakest-in-over-1000-years…
NASA selects 16 futuristic space technology concepts
NASA has selected 16 cool new futuristic space technology concepts for further study. Four of them are from NASA’s own Jet Propulsion Laboratory (JPL), including a railway system on the moon to move cargo. Source: https://earthsky.org/space/futuristic-space-technology-concepts-nasa-jpl-niac…
Moon, star Spica on Mar 1, 2021
This evening – March 1, 2021 – look eastward before going to bed and you just might catch the bright waning gibbous moon and the star Spica over the horizon. Source: https://earthsky.org/tonight/moon-star-spica-on-mar-1-2021…
Perseverance saw its own descent stage crash
The Mars rover images a plume of debris from the impact of the descent stage that helped the spacecraft land safely on the red planet. Source: https://earthsky.org/todays-image/photo-mars-perseverance-descent-stage-smoke-plume…
Did you find the message hidden in Perseverance’s parachute?
The striped pattern on the parachute used by the Perseverance rover to land on Mars contained a hidden message. Internet sleuths were able to figure it out within a few hours. Source: https://earthsky.org/space/perseverance-secret-message-dare-mighty-things…
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…