Gaia

miscellanyHubble Space TelescopeMarsclimate changesupernovaeexoplanetscometsgravitational wavessolar systemESA2025Jupiterwhite dwarfsPlutoaliensdustasteroidsneutron starsastrophotographymeteoritesstar clustersvolcanoesmathEarthcosmologypulsarsmoonsthe SunscifiFast Radio BurstsVera Rubin ObservatorynebulaAstronomybrown dwarfsNASAPoliticsgalaxy clusterslight pollutionplanetary nebulaerecipedebunkingblack holesphysicsTVnight skygravitational lensingVenusAbout the newsletterspacered dwarfsMoonActive galaxiesAbout mespace explorationimpactsnovaebinary starsSgr A*starsTNOssciencegalaxiesJWSTGamma-ray burstsdark matterColliding galaxiesstar formationMilky Way GalaxyScientific AmericanGaia
exoplanetsexoplanets
+5+5
Aphelion day! And a subscription sale!

Aphelion day! And a subscription sale!

Earth is as far from the sun as it gets all year. Plus, a planet found by relativity.

Philip Plait
Philip Plait
the Sunthe Sun
+4+4
Star cluster vs. giant molecular cloud: who wins?

Star cluster vs. giant molecular cloud: who wins?

The answer surprised me, and I do so love being surprised.

Philip Plait
Philip Plait
meteoritesmeteorites
+4+4
A wee meteorite impact caught on video, Gaia closes its eyes

A wee meteorite impact caught on video, Gaia closes its eyes

Very rare footage of a mini-impact, and the Gaia spacecraft has been shut down

Philip Plait
Philip Plait