252 million b.c.
I knew nothing of the Permian Extinction/Great Dying. Fascinating and terrifying!
NGC 6503 practices social distancing: The galaxy is alone at the very edge of an empty patch in space called the Local Void. Be like NGC 6503
Yeah, apparently it nearly wiped everything out on Land and in the Oceans. One of the causes (they think) was the massive volcanic eruptions under Siberia that went on for nearly a million years., ("The Siberian Traps"). One theory it was a 'rare mantle plume' from the Earths core.252 million b.c.
I knew nothing of the Permian Extinction/Great Dying. Fascinating and terrifying!
Hubble finds the best evidence yet for elusive midsized black holes
At about 50,000 times the mass of the Sun, this intermediate-mass black hole skirts the line between shrimp and giant.
Astronomers spot never-before-seen gravitational wave source from binary white dwarf stars
Love Carl Sagan.
This Map Lets You Plug in Your Address to See How It’s Changed Over the Past 750 Million Years
The interactive tool enables users to home in on a specific location and visualize how it has evolved between the Cryogenian Period and the present
This photo taken by NASA’s Suomi-NPP orbiting satellite shows a large plume of dust leaving the coast of Africa this week. This dust plume is being blown west out over the Atlantic, and will eventually reach the coast of North America. Plumes of dust like this one play an important role in the ecosystems of the western hemisphere.
And the fact that now it is thought that some parts have expanded so far that the light from them will never reach earth. Called the Event Horizon.It;s interesting, it's all interesting....I guess it would be cooler with real photos, but what are you gonna do, it's not like you can just pull out your phone and snap a quick pic. t's pretty amazing that they get the photos they do. At least I think so.
I will NEVER wrap my head around the fact that the universe is INFINITE, and CONSTANTLY EXPANDING.