Magazine | Page 6 of 281 | Astronomy.com

Graph of galaxy rotation showing dark matter's influence

Does dark matter affect our solar system?

Watch Jupiter’s moons in action this month

Telescopes and Equipment

Festive astronomy products for everyone on your list

The planet Jupiter

December 2024: What’s in the sky this month?

Observing, The Moon

How long would it take for an observer using binoculars to notice the Moon’s terminator moving?

Earth's elliptical orbit

How big is Earth’s orbit around the Sun?

Telescopes and Equipment

New astronomy products to be thankful for

The expanding universe

What is the universe expanding into?

A photo-illustration of the optical illusion known as Mach bands, as seen on Saturn.

How to see a Saturn ring mirage

A double rainbow seen from Saguaro National Park in Tucson, Arizona, features a bright primary and a faint secondary as a companion. In the foreground are giant saguaro cacti.

Explore the science of rainbows

emission nebula NGC 7822

Astrophotography

How are long-exposure astrophotos made?

The Sun is the center of the solar system and provides the energy that makes life on our planet Earth possible. This image, taken by NASA’s Solar Dynamics Observatory across several wavelengths in the extreme ultraviolet part of the spectrum, shows a massive solar flare (lower right) accompanied by a large eruption of material.

Solar System, Stars

Bringing the Sun to light