Scientific American7d
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 ...
New Scientist16d
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 – ...
as.com24d
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 ...
Metro1mon
New telescope could finally prove there is an elusive ‘Planet X’ in our solar system
There are eight official planets (sorry, Pluto) in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. But astronomers have spent the better part of a century ...
Live Science on MSN19d
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 ...