Astronomy Staff, Author at Astronomy.com | Page 51 of 277

Astrophotography, Telescopes and Equipment

How do astronomers know how long to make an exposure of any given object?

How are early galaxies different than galaxies today?

Did the Big Bang create the Cosmic Microwave Background?

Solar System, The Sun

What will happen to the outer solar system when the Sun dies?

Will the Sun always shine through Stone Henge on the solstice?

Are black holes always spheres?

Astrophotography

Astronomy’s Official Observing Form

Robotic Spaceflight, Space Exploration

Rosetta sets sights on destination comet

Human Spaceflight, Robotic Spaceflight

Episode 23: Animals Launched into Space

Exoplanets, Planets, Solar System

Why does this weird star dim every 27 years?

Exotic Objects, Stars, The Sun

Why is there iron in the Sun?

Exoplanets, Planets, Solar System

When in its orbit does Venus appear brightest?