12/30/2022 |
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NEWS & FEATURES |
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 sakkmesterke/Shutterstock The cosmos is considered metastable, which means there is a chance it could fall apart — or it already has. |
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 SCIENCE: Megan Reiter (Rice University); IMAGE: NASA, ESA, CSA, STScI; IMAGE PROCESSING: Joseph DePasquale (STScI), Anton M. Koekemoer (STScI) New analysis of Webb’s Cosmic Cliffs pinpoints stellar growth. |
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 Andreas Fichtner A technique called distributed acoustic sensing uses light to pick up tremors from volcanoes, quaking ice, and deep-sea faults, as well as traffic rumbles and whale calls. |
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 This unique 6" Sun Globe is based on images taken by NASA's Solar Dynamics Observatory and is the feature item in the Stars Collection. Explore detailed imagery compiled from three different ultraviolet wavelengths showing activity in the corona. |
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 ESA/Hubble & NASA, O. De Marco; Acknowledgment: M.H. Özsaraç Roiling clouds of interstellar gas and dust give a smoky appearance to this nearby nebula. |
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 Astronomy: Roen Kelly How do scientists know the speed at which gravitational waves move through space-time? |
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OBSERVING |
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 Tom Lee (Flickr) Your daily digest of celestial events coming soon to a sky near you. Updated Friday morning at 9 A.M. Central. |
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PICTURE OF THE DAY |
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 Dennis Stayer from Moorpark, California Mars peeks from behind the limb of the Moon in this shot of the Dec. 7 lunar occultation of the Red Planet. The image was taken with a 10-inch scope and a ZWO ASI290MC color camera. |
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