On June 25, Friday, SETI Institute CEO Bill Diamond held an AMA (Ask Me Anything) on the popular social news aggregation and web content rating website Reddit. Here are some interesting questions and Bill Diamond’s answer to them.
There are eight planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Two of the largest moons are bigger than the smallest planet, Mercury. Here are the top 10 largest non-planets in our solar system (eight of them are moons and two of them are dwarf planets).
To put things into a perspective, here are the moons of our Solar System (including our moon) and their sizes compared to Earth.
Are we alone in the universe? Or are there any other “living planets” other than Earth? Until 1992, we even don’t know if there are any other planets around the other stars or not. In 1992, two Swiss astrophysicists, Michel Mayor and Didier Queloz the first “exoplanet” (a planet orbiting another star than the Sun). […]