Informational Resources

Fact Sheets

These short, typically one-page documents give a brief factual overview of various topics of relevance to our work.

COMPASSE webinars and briefings

COMPASSE occasionally holds webinars and briefings for AAS members, the media and others. Recent events are listed here.

From Sky Glow to Satellite Swarms: Challenges to Astronomy From the Ground and From Space” ( 25 March 2022)

AAS 235 Press Conference: Astronomy Confronts Satellite Constellations(8 January 2022)

"SatCons 101"

Created by our partners at the International Astronomical Centre for the Protection of the Dark and Quiet Sky from Satellite Constellation Interference, SatCons 101 is a series of short videos that help viewers gain a basic factual understanding of large satellite constellations and how they impact both astronomy and the space environment.

Other Media

“Join photographer Travis Novitsky, Grand Portage Band of Lake Superior Chippewa, on a visually stunning exploration of the heavens as seen from Voyageurs National Park, the Boundary Waters Canoe Area Wilderness, and Quetico Provincial Park—together comprising the world’s largest designated Dark Sky sanctuary.” Features an interview with COMPASSE member Jessica Heim.

“Defending the Dark tells the story of protecting the dark sky areas of Maine and what we can do in our own backyards to bring back the night sky. It’s more than just saving the stars; dark skies need protecting, for our health, safety, nature, and science.”