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Larry Sessions

Can you see stars’ different colors?

Late December is the perfect time for noticing the colors of the stars. Never noticed them? Our sky chart can help guide your eye.

Find the Geminid meteors’ radiant point

December’s Geminid meteor shower radiates from the constellation Gemini the Twins. To see it, look east in mid-evening or overhead by about 2 a.m.

Achernar is the End of the River

Achernar – aka Alpha Eridani – is the 9th brightest star in the sky and the flattest star known.

Small Magellanic Cloud orbits Milky Way

You need to be in Earth’s Southern Hemisphere to see the Small Magellanic Cloud. It looks like a luminous cloud, but it’s really a dwarf galaxy, orbiting our Milky Way.

Shedding light on the moon’s dark side

A far side of the moon remains hidden from Earth, but doesn’t stay permanently dark.

Alpheratz is part of the Great Square

Finding the star Alpheratz can help you spot the Andromeda Galaxy, the nearest large spiral galaxy to Earth.

5 myths about the moon

Moon myths, take that! Here are 5 of the most common myths about our moon explained.

Use Big Dipper to find North Star

The 2 outermost stars in the bowl of the Big Dipper point to Polaris, the North Star.

Fomalhaut had first visible exoplanet

How to see the star Fomalhaut in your sky and a word about Fomalhaut b, the first planet beyond our solar system visible to the eye in photographic images.

Deneb is distant and very luminous

Deneb is one of the most distant stars you will see with your eye alone. That’s because it’s one of the most luminous stars in the Milky Way galaxy.