April’s nights see some of the sky’s largest constellations, and from their vastness spring a laundry list of celestial and mythological marvels. Daniel Zantzinger (Skywatcher's Guide) Leo Major, the ...
The swirling spiral galaxy in this NASA/ESA Hubble Space Telescope image is NGC 3285B, which resides 137 million light-years away in the constellation Hydra (the Water Snake). Hydra has the largest ...
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