How many galaxies in the known universe?

Get … How many stars in a galaxy? Managing Your Deep-Sky References.

Amateur Astronomy Projects The sky is big enough for amateurs to make significant discoveries even in this day of billion dollar research programs.

Astronomy Science Projects (42 results) Print: Email: Astronomy is science that will challenge your imagination.

Astronomy and Stargazing Projects.

How many strange worlds are out there on other planets, orbiting other stars, and what are they like? Is there life on planets besides Earth? Here are some projects involving amateurs that promise to make significant contributions to science. The distances are mind-boggling; the numbers are immense. Explore 17 astronomy projects and tutorials with instructions, code and schematics.

Interested in astronomy? Amateur astronomer Phillip Kane gives some advice on organizing "your" observing experts to assist you at the eyepiece.

By: The Editors of Sky & Telescope September 21, 2015

New projects for beginners and up posted every day.