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Have you ever seen a dragon in the sky? Although real flying dragons don't exist, a huge dragon-shaped aurora developed in the sky over Iceland earlier this month and was captured by Jingyi Zhang & Wang Zheng https://t.co/p96l7kccvO
Brush strokes of Jupiter's signature atmospheric bands and vortices form this planetary post-impressionist work of art. The creative image uses actual data from the @NASAJuno spacecraft's JunoCam, applying an oil-painting software filter https://t.co/e9exb2Qe1X
What's happening to galaxy NGC 474? The cause of these shells is currently unknown, but possibly tidal tails related to debris left over from absorbing numerous small galaxies in the past billion years, or simply ripples in a pond (density waves) https://t.co/IraNRLOb3K
Why do some spiral galaxies have a ring around the center? Spiral galaxy NGC 1398 not only has a ring of pearly stars, gas and dust around its center, but a bar of stars and gas across its center, and spiral arms that appear like ribbons farther out https://t.co/iww5dYpoxK
The bright stars Vega, Deneb, and Altair form a large triangle on the sky visible in the northern spring's mornings https://t.co/d1CB0sJODB
Fans of our fair planet might recognize the outlines of these cosmic clouds. On the left, the North America Nebula. To the right, the Pelican Nebula https://t.co/bBT2UdYYu8
See Jovian clouds in striking shades of blue in this new view taken by @NASAJuno spacecraft https://t.co/Fze2ouCViy [image processed by Gerald Eichstädt and @_TheSeaning]