Alberto Contreras

Why Can We See the Milky Way From Earth?

What Do the Northern Lights Look Like to the Human Eye?

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?

Is One Year a Trip Around the Sun?

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?

Which Planets Can We See From Earth With the Naked Eye?

How Many Stars Are Visible to the Human Eye?

What Causes a Pink Moon and Is It Actually Pink?

What Is the Gibeon Meteorite and Why Is It Unique?

What Makes a Half Moon? The Science Behind the Phase

How Did They Take a Picture of the Milky Way?