Magazine | Page 270 of 282 | Astronomy.com

Many articles and books on observing refer to small, medium, and large telescopes, but what are the borderlines in objective size that define small, medium, and large?

I have quickly come to find out that my 3.5-inch refractor is completely useless on faint objects, such as nebulae, galaxies, globular clusters, and comets. Will they be well within my reach with an 8-inch telescope?

Bob Berman’s strange universe: Eye see, you see

September will make you smile

I recently found out about a great meteor shower that occurred on November 14, 1833. What actually caused this great event, and is there anything today that compares to it?

Glenn Chaple’s observing basics: A bright star passes

More from Cassini

Tracking Toutatis

The Caldwell Catalog

The James Webb Space Telescope

Know your supernovae

Venus transit tours gallery