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Posts by
Kelly Kizer Whitt
Arecibo data live on, provide new galaxy insights
Despite the collapse of the Arecibo radio telescope in 2020, astronomers are still using Arecibo data to make new insights into our universe.
December 5, 2021
Horologium the Pendulum Clock, best in December
Horologium the Pendulum Clock is a constellation that lies in southern skies. Observers can best spot this constellation around the month of December.
December 3, 2021
DART mission will hit and move an asteroid
The DART mission is due to launch November 23-24, 2021. It'll head to the moonlet of asteroid Didymos, where it'll crash into and slightly push the moonlet.
November 24, 2021
Tiny-alien invasion risk: More space biosecurity measures needed?
Scientists urge the space industry to prepare for a tiny-alien invasion. They urge biosecurity measures to protect Earth and other planets from cross contamination of microbes.
November 24, 2021
Ceres at opposition November 27
Ceres at opposition on November 27. The dwarf planet has been passing in front of the constellation Taurus the Bull all month, including near Aldebaran.
November 24, 2021
Rare moon halo photo, captured during lunar eclipse
Eliot Herman in Tucson, Arizona, took an incredibly rare moon halo photo during the partial lunar eclipse on November 19, 2021.
November 23, 2021
Kessler syndrome of colliding satellites could make low-Earth orbit unusable
Space debris threatens ISS: the Kessler syndrome, a theory developed by NASA scientist Donald Kessler, predicts cascading collisions in orbit.
November 15, 2021
Landsat 9 returns its 1st Earth images
Landsat 9 took its first images of Earth on October 31, 2021. Enjoy these views of Earth from space, as Landsat 9 begins its monitoring of the land below.
November 12, 2021
Ceres and Aldebaran meet in early November 2021
Ceres and Aldebaran came close together as seen from Earth in early November, and EarthSky community members were ready to capture the moment.
November 5, 2021
Probing the depths of Jupiter’s storms
Juno provided data that has let scientists probe the depths of Jupiter's storms. We now know the Great Red Spot extends some 200 miles (300 km) down.
November 2, 2021
