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And … action! 1st movie in space underway with Russian crew
A Russian spacecraft launched to the International Space Station on October 5, 2021, carrying an actor and director for the 1st movie in space.
October 8, 2021
Comet or asteroid? This object is both
Comet or asteroid? Both! Some objects blur the lines, including (248370) 2005 QN173, which is active with a long tail but resides in the asteroid belt.
October 8, 2021
Wave clouds from 2 sides of Earth
EarthSky readers on opposite sides of Earth took these two photos of wave clouds on the same day. Wave clouds also go by the name of Kelvin-Helmholtz clouds.
October 8, 2021
2 old open star clusters merging in the Milky Way
An astronomer in Brazil has looked toward a known open star cluster and found 2 old open star clusters, merging in our Milky Way galaxy.
October 7, 2021
Moon and Venus on October 7, 8, 9 and 10
The young moon and Venus will be near each other in the sky from about October 7 to 10, 2021. The Southern Hemisphere has the best view!
October 7, 2021
Where are the water worlds? New tool to find out
Where are the water worlds? Since water means life (as we know it), scientists studying exoplanets want to know. A new tool might help find them.
October 6, 2021
Super-Earth, mini-Neptune or sub-Neptune?
The exoplanet community hasn't yet converged on the best name for exoplanets that are 1.7 - 3.5 Earth-radii. Super-Earth, mini-Neptune, sub-Neptune?
October 6, 2021
1st ocean drone video from inside a hurricane
An ocean drone entered a powerful hurricane churning in the Atlantic Ocean on September 30, 2021, sending back the first video from a drone inside a hurricane.
October 5, 2021
Lacerta the Lizard, home to a blazar
Lacerta the Lizard is a small, dim constellation in the fall sky that contains a blazar, or an active galactic nucleus with a jet pointed toward Earth.
October 3, 2021
Hello, Mercury! BepiColombo speeds by
Hello, Mercury! BepiColombo is a Mercury mission, due to arrive in earnest in December, 2025. Along the way, it needs help to get there.
October 2, 2021
