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greg redfern

Credit: Courtesy NASA

7 minutes of terror for Mars Perseverance rover

Winter Solstice sets stage for the Great Conjunction of Jupiter and Saturn

Geminid meteor shower: What to know for Dec. 13-14

Last lunar eclipse of 2020 likely to be spoiled by rain for DC region

Holiday shopping for stargazers in 2020

Leonid meteor shower: When’s the predicted peak?

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