The Solar System | Page 3 of 7 | Astronomy.com

HST image of Jupiter near opposition

Science, Solar System

How old is each planet in our solar system?

Artist's concept of Planet X

Could we find Planet Nine using JWST?

Hypothesized Planet Nine (artwork)

Does Planet Nine exist? The new evidence says yes.

Location of Jupiter's Trojan asteroids

How closely packed are Jupiter’s Trojan asteroids?

A volcano towers over its surroundings, the terrain shown in false-color yellows and oranges.

Science, Solar System

How Venus threw up on itself: This Week in Astronomy with Dave Eicher

Science, Solar System

The story of Percival Lowell: This Week in Astronomy with Dave Eicher

New moons of Uranus and Neptune discovered

These are the ways our world will end

Science, Solar System

How life on Earth will end: This Week in Astronomy with Dave Eicher

The sandy red orb of Mars is shown against a black background. Numerous dark regions are scattered across its surface, and the bright, white northern polar ice cap is visible at the top of the image.

Science, Solar System

Where did Mars’ water go? This Week in Astronomy with Dave Eicher

The planets in our solar system.

Science, Solar System

How long is a year on other planets?

Barchan dunes on Mars

How the shapes of martian sand dunes reveal the planet’s winds