#First image credit: Marion Haligowski
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The celestial object of the day is Spica!
The brightest star in the constellation of Virgo is actually a binary system! And the closest to the sun. It's formed by a blue giant and a variable star, they orbit so close together that they've gained an ellipsodal shape, similar to that of an egg
#First image credit: Marion Haligowski#Second image credit: by Fred Espenak#Aaand fun fact: thay orbit so close together that they are indistinguishable by telescope#so we need to use their spectra instead!#First original post of the blog (since all the others are Twitter reposts)#And first star too!!#Now only missing a black hole a neutron star and a galaxy cluster!!#astronomy#astrophotography#outer space#space#nasa#nasa photos#science#space exploration#space photography#celestial object of the day#Star#Stars#binary system#binary star systems#Virgo#Spica
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