There is a supermassive black hole right in the middle of the Milky Way galaxy that is 4 million times the mass of the Sun.
Did You Know?
Quick Facts, For Your Information.
At some point, we’ve all looked up at the night sky and wondered, “What if?” Contemplating the possibilities of mankind’s permanent expansion into the cosmos engenders awe, inspiration and humility. In addition to being incredibly vast, the Universe is a place of unimaginable violence. Like all frontiers before, space is a dangerous place. But it also contains staggering wealth. The known resources of our solar system could easily support a celestial civilization thousands of times greater than Earth. The following factoids are just a taste of what you can expect from Dr. Logan’s engaging sessions.
If solar systems have formed roughly uniformly in time, on average, 1,000,000 solar systems are formed in the universe each hour.
Even though you could fit 765 Earths inside Saturn, the gas giant’s density is so low the entire planet would float on water.
According to Carl Sagan, the Drake equation predicts that there may be 5,000 extraterrestrial civilizations in our galaxy with which we might be able to communicate.
In 1936, the first television signal leaked into outer space by Nazi Germany. That signal, now 74 Light Years from Earth, has overtaken the 68 closest stars (including any planets in orbit around them).
Zettawatts of power from the Sun pass through the region between the Earth and Moon, enough for each man, woman, and child in the US to sustainably power an entire US economy all to themselves.
Asteroid NEA 3554 Amun contains precious metals that would appraise at over $20,000,000,000,000 at current Earth prices.
There are 50,000,000,000 other galaxies in the known universe.
Jupiter is so large you could fill the inside of it with 1,000 Earths.
The Andromeda Galaxy is 2,500,000 Light Years from Earth and consists of over 400,000,000,000 stars.