Magazine

Science

Messing up

Deep-Sky Objects, Galaxies

I’ve seen Astronomy magazine label M33 as the Pinwheel Galaxy, but I thought M101 was the Pinwheel Galaxy and M33 was the Triangulum Galaxy. Which is correct?

Science, Solar System

Sands of the solar system

Astronomy for beginners

Celebrate an astronomical holiday

Exoplanets, Planets, Solar System

Ringed world renaissance

Astronomy for beginners, Astrophotography

Explore the constellations

Exotic Objects, Milky Way, Stars

Watch stars orbit our galaxy’s central black hole

Deep-Sky Objects

If space is only a few degrees above absolute zero, how can hot nebulae gases from exploded stars stay warm for a long time?

Astronomy for beginners

The secret of Sextans

Science

Is the universe infinite or finite? Or is it so close to infinite that for all practical purposes it is?

Science

Why Does Earth’s Axis of Rotation Wobble?

Astrophotography

Chasing the curve