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The Crab Nebula – a supernova remnant some 6500 light-years from Earth in the constellation of Taurus. Seen here in ultraviolet light by @ESA_XMM in this week's @esascience #IOTW Details: […]

Rollout of the Soyuz launcher early this morning in Baikonur. In preparation launch of three new @Space_Station crew members on 21 March. Liftoff at 17:44 GMT (18:44 CET). 📷 via […]

Rollout of the Soyuz launcher early this morning in Baikonur. In preparation launch of three new @Space_Station crew members on 21 March. Liftoff at 17:44 GMT (18:44 CET). 📷 via […]

It is considered the oldest known illustration of the night sky. But what, exactly, does it depict, and why was it made? The Nebra sky disk was found with a […]

Hello Nesley, in a recent NASA astronaut selection the maximum height allowed was 193cm – the limit is because of what fits in a spacecraft. With other spacecraft in development, […]

#OTD 18 March 1965, Alexei Leonov is 1st person to exit their spacecraft in orbit, paving way for generations of spacewalkers. More history of #EVAs here (note, since published in […]

No one, presently, sees the Moon rotate like this. That’s because the Earth’s moon is tidally locked to the Earth, showing us only one side. Given modern digital technology, however, […]