Sparkly, swirly, and surprising 🌌
@ChandraXray data shows that this galaxy, Messier 83, is unusual. Over 20 of its supernova remnants – remains from star explosions – vary drastically in X-ray brightness. Typically, the remnants' brightness would fade slowly over time.
They're halfway home.
The Artemis II astronauts have hit the "halfway" mark between the Moon and the Earth. They will splash down in the Pacific Ocean around 8:07 pm ET on Friday, April 10 (0007 UTC on Saturday, April 11), off the coast of San Diego.
For the first time in over 50 years, humans are Moonbound.
At 6:35 p.m. EDT (2235 UTC) NASA’s Space Launch System rocket and the Orion spacecraft lifted off from the agency’s Kennedy Space Center in Florida, sending four astronauts on a planned test flight around the Moon and back. https://t.co/0Q9ZB4IWVI