| | March 21
Why Isn't Easter This Sunday? | | | |
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| | | | Why isn't Easter this Sunday? | | | Easter generally falls on the 1st Sunday following the 1st full moon following the vernal equinox. Last night's full moon came about 4 hours after the astronomical equinox. So why isn't this Sunday Easter? Read more. | | | | | | | | Watch spacewalk tomorrow | | | NASA TV will air 3 upcoming spacewalks by International Space Station astronauts, the first of which happens tomorrow, March 22. Coverage begins at 10:30 UTC (6:30 a.m. EDT). Translate UTC to your time. The spacewalk is scheduled to start at 12:05 UTC (8:05 a.m. EDT) and last 6.5 hours. How to watch. | | | | | |
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|  | | | Watch the sun's shift on your horizon | | Looking for an easy, but profound, sky activity? Note how far the sunset moves on your horizon, as spring shifts toward summer, or autumn toward winter, on your part of the globe. Read more. This composite image - from 2016 - is by Abhijit Juvekar. | | | | | |
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 | | | Full moon of Holi Purnima | | View at EarthSky Community Photos. | Our friend Swami Krishnananda wrote: "Today is a big celebration in India, called 'Holi.' It is a colorful festival, during which everyone throws colors on others and paint them in all different colors. You may enjoy seeing this photo of the full moon." Thank you, Swami Krishnananda! | | |
