The major planets in our solar system orbit, more or less, in a single plane. That’s why you can look for them along the same sky path traveled by the sun and moon. Is the same true for exoplanets in distant solar systems?
2019 EarthSky Fundraiser
Hello, friends of the Earth and sky! We need you and your support to keep going.
Would you consider
If you've already donated, we apologize for the popup and greatly appreciate your support.