Alberto Contreras

Can You See the Big Dipper and Little Dipper at the Same Time?

Where Does the Moon Rise in the Sky and Why?

Why Do the Constellations Move in the Sky?

Where Was the Sun in Ptolemy’s Model of the Universe?

When Is Gemini Visible in the Northern Hemisphere?

Can You See the Moon With Binoculars?

When Is the Best Time for Stargazing?

What Planet Is Closest to Earth?

Why Do Constellations Come and Go Throughout the Year?

Where to Find the North Star and How to Locate It

What Do the Northern Lights Actually Look Like?

How to Find the Orion Constellation in the Night Sky

Is Orion a Zodiac Sign? The Astronomical Answer

What Would Happen If Earth Had Two Moons?

Can You See Northern Lights With the Naked Eye?

Why Does the Moon Appear to Change Shape From Earth?

Is There a South Star & Why Isn’t It Famous?

Can the Milky Way Be Seen From Earth?

What Are Dippers? How to Find the Big and Little Dipper

How Long Is Night and What Causes Its Length to Change?