Scientific American9d
How Many Planets Are in the Solar System?
The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
as.com25d
New planet in the solar system? This is the new discovery by scientists that could change the view of our planetary neighborhood
However, this year a powerful new telescope is coming online that could prove once and for all that there really is a ninth planet in our Solar System. The same year that Pluto was ignominiously ...
New Scientist18d
How to see all the solar system’s planets in the night sky at once
All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...
Live Science on MSN12d
An interstellar visitor may have changed the course of 4 solar system planets, study suggests
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...