Astronomy Staff, Author at Astronomy.com | Page 3 of 278

Telescopes and Equipment

Festive astronomy products for everyone on your list

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?

emission nebula NGC 7822

Astrophotography

How are long-exposure astrophotos made?

The Blue Snowball Nebula

Deep-Sky Objects, Observing

Will my telescope show color when viewing deep-sky objects?

The best images of the Oct. 10 auroral storm

The Best Space Gifts for Astronomy Lovers and Stargazers | Holiday Gift Guide 2024

Cassini image of Saturn

How long will Saturn’s rings last before they disappear?

2027 Egypt Pre-Eclipse Turkey Extension: Istanbul & Cappadocia

2026 Portugal & Spain 15-Night Total Solar Eclipse Tour