At the time of writing, about 6,000 planets have been confirmed outside the Solar system. But that’s just the beginning.…
Neptune is almost 35 times farther away from Earth than Mars. It is the farthest planet in the Solar system,…
The Solar system is a great place for kids to start learning about the universe. But reading about it can…
We have known about the existence of planets outside the Solar system for decades, but they are so far away…
In 2006, the International Astronomical Union assembled to discuss the discovery of Eris, an object slightly smaller than Pluto, and…
it is very likely that those stars formed star systems, which means there is a high probability that there are too billions of planets in the Pinwheel galaxy