View larger. | This artist’s concept shows a magnetar (a type of neutron star). It’s ejecting…
Category: Earth Sky
John Glenn 1st American in orbit 62 years ago today
John Glenn became the 1st American in orbit on February 20, 1962. Astronaut Glenn sits outside…
Record quasar is most luminous object in the universe
Artist’s concept of the record-breaking quasar J0529-4351. A quasar is the bright core of a distant…
Icy Eris and Makemake have warm hearts
Artist’s concept of dwarf planet Eris, with its moon Dysnomia. They reside in the Kuiper Belt…
Castor is 6 stars in one
Twin stars and a star cluster. From a Northern Hemisphere location, face generally northward to find…
Euclid space telescope begins dark universe survey
Euclid’s mission is to scan 1/3 of the night sky in the visible and near-infrared and…
Are Chariklo’s rings shaped by a tiny unseen moon?
View larger. | Artist’s concept of the centaur-type asteroid Chariklo, with its 2 thin rings. A…
The brighter twin star of Gemini
Draw an imaginary line from 2 bright stars in the easy-to-see constellation Orion the Hunter to…
Big, dead satellite will crash back to Earth next week
Artist’s concept of ESA’s ERS-2. The dead satellite finished its mission back in 2011 and has…
We heart the Earth and sky! PHOTOS
Happy Valentine’s Day! We’re sharing the love by celebrating some of the many heart-shaped objects you…