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?
Are There Shadows on the Moon?
Why Don’t the Constellations Change?
What Would Happen If the Earth Was 1 Inch Closer to the Sun?
How Does the Lunar Eclipse Affect Us and the Earth?
Is the Moon Inside Earth’s Atmosphere?
Why Did Ptolemy Believe in the Geocentric Model?
Why Can’t We See the Milky Way?
What Is the First Star in the Sky at Night?
Can the Moon Be Purple? The Science Behind Moon Colors
Do You Need Glasses for a Lunar Eclipse?
Why Is the North Star Always North?
Is a Birthday Really a Trip Around the Sun?
Are the Stars Different in the Southern Hemisphere?
Is It Safe to Go Outside During a Lunar Eclipse?
When Is the Andromeda Galaxy Visible From Earth?
What Objects Are Found in the Mesosphere?
How Many Degrees Does the Earth Rotate Each Hour?
Why Can We See the Milky Way From Earth?
Why Is the Moon So Low in the Sky?
Do the Clouds Move or Does the Earth?
What Does It Mean When the Sun Rises From the West?
Why Can’t I See the Moon?
Why Can I Only See Half the Moon?
What Does a Satellite Look Like From Earth at Night?
When Is Orion Visible in the Northern Hemisphere?
How Long Does It Take the Light From the Big Dipper to Reach Earth?
Why Does the Moon Appear to Be Upside Down?
Is the Moon Lemon Shaped? The Truth About Its Shape
What Does It Mean When You See the Sun at Night?