From the Gliese 581 system: GJ581d, a super-Earth that was at first thought to be too cold to support liquid water, may, due to the greenhouse effect, be warm enough after all. Thank Gaia for the greenhouse effect, otherwise we’d freeze to death every night. It also employs many grant-dependent “scientists” willing to fudge their data.
I did not know that: “rouge planets” are real (?!) and they likely outnumber planets with suns.
Key events in the history of space including Explorer I – America’s first satellite.
Aussie undergrad Amelia Fraser-McKelvie finds the universe’s “missing mass” during a holiday internship with a team at Monash University’s School of Physics, locating the mystery material within vast structures called “filaments of galaxies”.
Gallery w/ more detailed explanations below the jump.