The Milky Way has a mass of 1,5 trillion Suns & we have no idea what most of it is made of
It is the result of combining supercomputer simulations with Chandra data
Such is the powerful gravitational pull of the Milky Way and Andromeda that they are being drawn toward each other and will one day crash
This could actually treat future Earthlings to "a spectacular display of cosmic fireworks"
"The Milky Way is a cannibal"
One "galactic tick" represents 1/100th of an arcsecond’s worth of the orbit of our solar system around the Milky Way. Got that?...
SPT2349’s mass is about 10 trillion times larger than our sun
People who believe in the singularity of the human race might be in for a shock
They appear to be “rogue” planets not circling a star in a conventional solar system but roaming free around the far-off galaxy!
Nobody knows where these radio flashes are coming from & some say they’re from an advanced extraterrestrial civilization