Magazine | Page 179 of 278 | Astronomy.com

What does “maximum usable” magnification mean?

Stephen James O’Meara’s Secret Sky: Back from the dead

Titan up close

How do you distinguish between absorption lines that originate in a distant astronomical object and those from Earth’s atmosphere?

Kepler, the man

Have scientists thought of what type of universe would evolve if physical constants had different values?

Astrophotography

Tony Hallas’ Cosmic Imaging: Signal-to-noise ratio

Billions of years from now, what will be the fate of our Sun? Would it be a hard surface we could walk on?

How do astronomers make generalizations about the ages of stars, galaxies, and other celestial objects?

Going beyond earthlike planets

Telescopes and Equipment

More Canon DSLR reviews

Cosmology, Science

Bob Berman’s Strange Universe: The limit of infinity