Astronomy Staff, Author at Astronomy.com | Page 82 of 278

The week in pictures: October 22–28, 2011

Human Spaceflight, Telescopes and Equipment

Orion Pro 8-24mm Zoom Telescope Eyepiece

Telescopes and Equipment

Astro-Physics 10×60 Baader Vario Finder

How can astronomers predict that meteor showers will return year after year?

Astrophotography, Telescopes and Equipment

Moonglow Technologies All Sky Cam

Has New Horizons taken any pictures of Saturn, Uranus, or Neptune?

Telescopes and Equipment

Celestron SkyQ

To avoid dew, do professional observatories heat the mirrors and lenses like we amateurs do?

Explore more astronomy sites in California

Observing Basics, Telescopes and Equipment

Vixen Optics BT81S-A Binocular Telescope

Human Spaceflight, Telescopes and Equipment

Orion Deluxe Set of 13 Color Eyepiece Filters

I’ve read recently about new revelations regarding Cepheid variable stars. Given that these stars are used to measure cosmic distances, will this new data change measured distances to various objects?