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the sun in UV

HEAT SEEKER  The EUNIS rocket split ultraviolet light from a region (white) of the sun into its component wavelengths (left, right), which revealed emissions from highly ionized atoms in a 10-million-degree plasma.

Curiosity rover

THE MARTIAN DIARIES  Curiosity has explored Mars for over two and a half years. What if the rover kept a scrapbook?


GREEN GOBLIN  Filaments of gas known as voorwerpjes (green) orbit the galaxy UGC 7342 in this image from the Hubble Space Telescope. The galaxy is about 650 million light-years away in the constellation Coma Berenices.

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