The Solar System
In the Solar System Channel, you can explore the planets and celestial objects around our own sun. Learn about topics such as Mars, Jupiter and the Moon.
Astronomers Tell You How and Where to Best View Meteor Showers
How to Find Orion's Belt in the Night Sky
Radio Telescope Image Gallery
How do I build a telescope at home?
Shooting the Stars as an Astrophotographer
Twinkle, Twinkle: The Ultimate Stars Quiz
White Dwarfs Can Shred Planets to Pieces
Why Do Stars Twinkle?
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It's a celestial gift in the middle of August. Just look up for a spectacular sight.
Every April, the Lyrid meteor shower fills the sky with shooting stars. Here's how to see them in 2023.
By Mark Mancini
The wait is over. NASA confirms Mars is seismically active.
Jupiter has been notoriously bad about revealing any water deep in its thick atmosphere. That's changing though.
Many people dream of climbing Mount Everest, but what if you could scale the highest mountain in the solar system? That one is more than twice as tall as Everest! So, where is it?
The Tau Herculids meteor shower was made of debris from the broken comet SW3 and produced a lot of shooting stars, but not quite the meteor shower that was hoped for.
Once upon a time, the sun caught an interstellar orphan and adopted it as its own. It's named 2015 BZ 509.
Yep, 'Oumuamua was probably kicked out of its own star system by an overbearing gas giant like Jupiter.
Take that, stars!
The European Space Agency's Gaia satellite observatory has created a 3-D model of the Milky Way — and beyond! — that charts more than a billion stars.
Say hello to the newly discovered TRAPPIST-1 system, which is just 39 light-years away and filled with seven Earth-like planets.
The rings of Saturn, Uranus and Neptune may be remnants of smaller planets destroyed long ago by the gas giants' powerful gravity.
And solving that issue could go a long way toward making our planetary neighbor habitable.