Magazine | Page 158 of 281 | Astronomy.com

If the Sun suddenly disappeared, it would take about eight minutes for Earth to become dark (due to the speed of light). How long would it take to feel the absence of the Sun’s gravity?

10 great summer binocular sights

Why do some stars appear to flash a variety of different colors when you look at them through a telescope?

Are there plans to further the Hubble Space Telescope’s capacity to look even deeper?

See microlensing in action

I’ve read about background radiation fields that fill the universe. Is the infrared radiation as ancient as the microwave, and are there other cosmic fields of radiation besides these two?

Astrophotography, Science

A checklist for astrophotography

A tale of two syzygies

The last of the biggies . . .

If a brown dwarf orbited the Sun at the same distance as Jupiter, would life have evolved on Earth?

Carry around the universe’s top numbers

Hoping for clear June 5 skies