Deutsche Zentrum für Luft- und Raumfahrt / German Aerospace Centre

German government centre for aerospace, energy and transportation research, and effectively the German space agency.

Fediverse address (main account, in German):
@DLR@social.bund.de

Fediverse address (alternate account, in German):
@dlr_next@social.bund.de

European Union Agency for the Space Programme (EUSPA)

Co-ordinates the various EU space services including Galileo sat nav, Copernicus climate satellites, asteroid monitoring etc.

Fediverse address (main):
@EUSPA@social.network.europa.eu

Fediverse address (videos):
@euspa@tube.network.europa.eu

Dr Robert Minchin

Astronomer at the National Radio Astronomy Observatory in the United States, and previously at (amongst others) the famous Arecibo in Puerto Rico, and the flying telescope SOFIA.

Fediverse address:
@Robminchin@mastodon.online

Lunar Phase Bot

Posts current phase of the Moon, including detailed information. It’s an interactive bot, you can @ it with your location to get local information for your area.

Fediverse address:
@LunarPhase@botsin.space

MPS Göttingen (Max Planck Institute for Solar System Research)

Research establishment in Göttingen, Germany which studies all the bodies that make up our solar system including the Sun, the planets, the asteroids etc. The Institute develops scientific instruments that are sent into space on ESA and NASA missions.

Fediverse address (English and German):
@mpsgoettingen@astrodon.social

Jeff Moe

Satellite enthusiast, monitoring and cataloguing observations of satellites in orbit. Also involved with FOSS, formerly involved in 3D printing.

Fediverse address:
@jebba@jebba.moe