Author

Alberto Contreras

Alberto Contreras is a staff writer at Biology Insights covering amateur astronomy and the night sky. He previously worked as a news writer and copy editor for regional broadcast television stations. Contreras holds a bachelor’s degree in computer science and organizes neighborhood stargazing sessions using a personal telescope setup.

How Fast Do Shooting Stars Move Through the Sky?Earth & Space
Are There Shadows on the Moon?Earth & Space
Why Don’t the Constellations Change?Earth & Space
What Would Happen If the Earth Was 1 Inch Closer to the Sun?Earth & Space
How Does the Lunar Eclipse Affect Us and the Earth?Earth & Space
What Place on Earth Has the Least Gravity?Physics
Is the Moon Inside Earth’s Atmosphere?Earth & Space
Why Did Ptolemy Believe in the Geocentric Model?Earth & Space
Why Can’t We See the Milky Way?Earth & Space
What Is the First Star in the Sky at Night?Earth & Space
Can the Moon Be Purple? The Science Behind Moon Colors Earth & Space
Do You Need Glasses for a Lunar Eclipse?Earth & Space
Why Is the North Star Always North?Earth & Space
Is a Birthday Really a Trip Around the Sun?Earth & Space
Are the Stars Different in the Southern Hemisphere?Earth & Space
Is It Safe to Go Outside During a Lunar Eclipse?Earth & Space
When Is the Andromeda Galaxy Visible From Earth?Earth & Space
What Causes Day and Night to Occur?Physics
What Objects Are Found in the Mesosphere?Earth & Space
How Many Degrees Does the Earth Rotate Each Hour?Earth & Space
Why Can We See the Milky Way From Earth?Earth & Space
What Do the Northern Lights Look Like to the Human Eye?Physics
Why Is the Moon So Low in the Sky?Earth & Space
Do the Clouds Move or Does the Earth?Earth & Space
What Does It Mean When the Sun Rises From the West?Earth & Space
Why Can’t I See the Moon?Earth & Space
Why Can I Only See Half the Moon?Earth & Space
What Does a Satellite Look Like From Earth at Night?Earth & Space
When Is Orion Visible in the Northern Hemisphere?Earth & Space
Is One Year a Trip Around the Sun?Physics