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The Solar Dynamics Observatory saw a lunar transit and an Earth eclipse on July 25 — the first when the moon passed between it and the sun, and another when Earth did the same.
NISAR, built jointly by NASA and India’s space agency and launched on Wednesday, will use radar to monitor tiny changes ...
Tuesday, July 22, is expected to be the second of three days in 2025 where more than a millisecond could be shaved off the ...
The science behind why the Earth will spin just a little bit faster on July 9, July 22, and August 5, this year.