Magazine | Page 152 of 278 | Astronomy.com

What is the circle that Earth’s axis traces out in its 26,000-year precession cycle? What bright stars would be close to it?

Great targets await lunar observers

Astrophotography, Science

How I take pictures

M82: The “marquee” galaxy

When will Comet Halley next pass near Earth? Are there any other comets that will come close enough to our planet that people in the United States can see it at night?

Accessible astronomy

Mission to Mars

Twin rovers’ meteorite encounters

Hunting for signs of martian life

Bridging the land and sky

Is it possible that the gravitational effects attributed to dark matter could be caused by Jupiter-sized planets discovered orbiting other stars and also floating freely outside planetary systems?

When a really big rock (or a huge chunk of iron) hits Earth, why does it explode instead of just making a lot of rubble?