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superflare illustration

HOT MESS  Scientists have found superflares erupting from older, sunlike stars, not just from young stars (one illustrated with an exoplanet).

Antilia 2 galaxy

GHOSTLY GALAXY  The dim galaxy Antlia 2 (faint glow shown at right in this illustration) was found orbiting the Milky Way (center) in 2018. It’s a bit bigger than the Large Magellanic Cloud, another satellite galaxy (left), but contains far fewer stars. 

cemetery excavation

SMOKED OUT  Excavations of tombs such as this at a cemetery in western China yielded evidence that people burned cannabis and inhaled its fumes during rituals for the dead around 2,500 years ago.


CHAOS TERRAIN  Rough patches on Europa’s surface, seen in these NASA Galileo images, may partly owe their yellowish hue to sodium chloride.

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