The lowest manmade temperature achieved to date is just above 0 Kelvin (absolute 0).
The lowest manmade temperature achieved to date is 450 picokelvin above absolute zero. It was achieved by a team of scientists at the Massachusetts Institute of Technology, Cambridge, Massachusetts, the USA, led by Aaron Leanhardt. The team members were: A.E. Leanhardt, T.A. Pasquini, M. Saba, A. Shirotzek, Y. Shin, D. Kielpinski, D.E. Pritchard, and W. Ketterle. Their research was published in Science magazine on 12 September 2003.
The cosmos contains approximately 100 - 200 billion galaxies.
Humans can only see about 4% of the matter in the Universe.
The only two planets in our solar system that do not have moons are Mercury and Venus.
The sun orbits around the Milky Way at a speed of about 220 km (140 miles) per second.