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Timeanddate.com...

Welcome to the world's top site for time, time zones, and astronomy. organize your life with free online info and tools you can rely on. no sign-up needed....

https://www.timeanddate.com

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Rubin observatory...

Nsf–doe vera c. rubin observatory will revolutionize the way we explore the cosmos...

https://rubinobservatory.org:443

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Scientificorigin | your source for clear, reliable science....

Your source for clear, reliable science.the story of sarah rector is one of those american sagas that reads like... short answer no—current evidence does not show that tylenol (acetaminophen) causes autism. the best-quality... they arrive late, c

https://scientificorigin.com

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Imagine the universe!...

Welcome to imagine the universe! this site is intended for students age 14 and up, and for anyone interested in learning about our universe. if you"re looking for grade school level astronomy information, please see the imagine the universe has expa

https://imagine.gsfc.nasa.gov

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Home | center for astrophysics | harvard & smithsonian center for astrophys...

This content requires javascript. see how can we expand the limits of human knowledge further into the unknown? the center for astrophysics is a collaboration between the smithsonian astrophysical observatory and harvard college observatory that’s