Window on The Skyさんのイラストまとめ

Map of our #MilkyWay #Galaxy

#Astronomy: #Venus, our sister planet, has a surface temperature of 450℃ (the temperature of an oven's self-cleaning cycle) and an atmosphere dominated by carbon dioxide (96 percent) with a density 90 times that of Earth's.

#Astronomy: Position and speed map of the #MilkyWay based on the VERA Catalog of #Astrometry, the center of the #Galaxy and the supermassive black hole would be at 25,800 light years, closer than the official value of 27,700 light years adopted by the IAU in 1985. Credit: NAOJ

Meet the smallest #rogueplanet scientists have ever spotted. via @newscientist #Astronomy
https://t.co/nV8TRmx4aL

#OnThisDay was born the science communicator #CarlSagan, today he would be 84, we all remember his inspiring tv series “Cosmos”

.@almaobs discovers Cold Dust Around Our Nearest Star, #ProximaCentauri. https://t.co/mA4qT6N3qa via @ESO
#Astronomy

Huge space rocks could have helped start Earth’s plate tectonics https://t.co/7ZXSn4pFlN via @newscientist

Three days to go! On Friday #Cassini will end its 20-year mission. See what it's taught us so far https://t.co/3rlOING7O0 via @newscientist

#OnThisDay the #astronomer William #Herschel discovers a new moon on #Saturn: #Enceladus

A #NeutronStar spews high-energy particles into #space as it zings through the Jellyfish #Nebula. https://t.co/5oRk5uzaAj via @chandraxray