Shockingly Tiny Galaxy Near Andromeda Is Just One-Millionth the Size of the Milky Way
Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...
Here’s What the Rise of Clean Energy Looks Like From Space
New data from a constellation of satellites 250 miles above Earth’s surface shows how solar and wind have taken off in recent ...
Grist13d
Earth’s orbit is filling up with junk. Greenhouse gases are making the problem worse.
This domino effect, commonly known as Kessler syndrome, could fill the orbit around Earth with so much destructive clutter that launching or operating satellites ... networks, like the U.S ...