March 26, 2019

30.03.11: Welcome to Mercury!

A new resident has taken up orbit around the solar system’s inner most-world. Fresh from orbital insertion earlier this month, NASA’s Messenger spacecraft opened its eyes and began relaying images that have been a web sensation over the past 24 hours. Messenger is currently 6 light minutes from Earth; its looping orbit takes it from a periapsis of about 200 km to apsis at 1,500 km.

[Read more...]