Astronomy

Lepus and Columba

Lepus and Columba

View the full issue in the Magazine Archive Lepus and Columba are a pair of small constellations that lie straight south of Orion. Lepus lies immediately south of Orion, and Columba lies south of...

Eridanus

Eridanus

View the full issue in the Magazine Archive Eridanus, the River, is a large constellation that begins just west of Orion’s brightest star, Rigel. From Rigel, it stretches about 60° southwest before...

Fun Facts About Gravity

Fun Facts About Gravity

View the full issue in the Magazine Archive Gravity seems fairly straightforward and predictable. If you throw a ball up and then catch it, the speed at which it falls back into your hand will be...

Cassiopeia

Cassiopeia

View the full issue in the Magazine Archive Cassiopeia lies high in the northern sky in December. Like Cepheus, our target constellation last month, Cassiopeia is a circumpolar constellation. It...

Comet C/2023 A3 (Tsuchinshan-ATLAS)—Delightful

Comet C/2023 A3 (Tsuchinshan-ATLAS)—Delightful

View the full issue in the Magazine Archive Light from a full moon illuminates this landscape one hour after sunset. Rain clouds are closing in, and the touch of a moonbow can be seen in a cloud....

My Mountaintop Aurora Adventure

My Mountaintop Aurora Adventure

View the full issue in the Magazine Archive Northern lights. Photo © Cheryl Shank. Twigs snapped and leaves crunched as my three comrades and I plodded up the wooded mountainside in southwestern...

All the Way to Texas

All the Way to Texas

View the full issue in the Magazine Archive Diamond ring. Photo © Andrew Stine. “Shall we go to Texas to see the eclipse?” I asked the family. “It’s four minutes and twenty seconds of totality...