The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...
This year is the 30 th anniversary of the Pale Blue Dot, the renowned photo ... with Nature Research. “The Solar System is a result of accidents in which the planets formed at various distances ...
The rare supernova, named SN 2024PI, stands out in the photo as a pale blue dot shining clearly amid thick ... small "dead" star (about the size of a planet), must exist before this special ...