units in astronomy: explained!
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all 8 planets orbit within 1 au of the star! #spacefacts
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the history of measuring the au via venus transit is wild #spacefacts
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the igm is diffuse, but there's a lot of space between galaxies! #spacefacts
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named for their discoverer, daniel kirkwood back in 1866 #spacefacts
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it's hard to map our own galaxy! #spacefacts #ngttg
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never underestimate an astronomer's ability to put (or change) a prefix on something #spacefacts
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this distance is incomprehensible to my mind #spacefacts
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reminder: never observe the sun directly without proper equipment ☀️ #spacefacts
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nebula can be pluralized as nebulae or nebulas #spacefacts
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1 degree = 60 arcmin = 3600 arcseconds #spacefacts #ngttg
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the bubble was formed by long ago supernovae #spacefacts
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orbits can be counterintuitive sometimes! #spacefacts #solarsystem
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solar flares vary with the 11 year solar cycle #spacefacts
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for 2023 so far we are up to at 2023xts #spacefacts
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between the filaments are cosmic voids #spacefacts
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that diameter is the size of the region where 90% of the galaxy's blue light is emitted #spacefacts
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our own galaxy has one!! 🌌 #smbh #spacefacts #yearofspacefacts #ngttg
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rayleigh scattering on earth, mie scattering on mars! #spacefacts
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the energy comes from the difference in mass (e=mc^2 of course!) #spacefacts