There is a hypergiant star about 5,300 light years from Earth which is the largest known sun thus far. NML Cygni is so large you can fit 3.6 billion of our suns into this thing and if it was positioned in the same place, it’s surface would extend further than the orbit of Jupiter.
Category: The Universe
Facts about the galaxy, space, and the universe
Planet Earth is weightless. However, it is estimated to be 6,585,000,000,000,000,000,000 tons in mass! That’s six sextillion five hundred and eighty five quintillion tons give or take a few quintillion.
The magnetic field of our sun will change its polarity sometime in later 2013, an event felt as far as Pluto and beyond.
Sometime in the future our planet will have a human population of zero. It is uncertain if future humans will be able to relocate to a habitable location or if our extinction will result.
Some define reality as that which, when you stop believing in it, it still exists. Others confuse reality with perception.