Northernmost sunset on June solstice | | For us in the Northern Hemisphere, the June solstice signals the beginning of summer. For the Southern Hemisphere, winter starts at this solstice. The solstice is a whole-Earth event. It happens at the same instant for all of us, everywhere on Earth, but our clocks differ by time zone. This solstice happens on Monday, June 21, at 03:32 UTC. Translate UTC to your time. In North America and U.S. time zones, it happens this evening. Read more. | | |
Is Darth Vader wearing a spacesuit? | | The spacesuit is an iconic staple to spaceflight. In science and throughout pop culture, its image is synonymous with the great beyond and humankind’s conquest of space. But spacesuits serve an essential purpose. They keep humans alive in hostile space or planetary environments. So - on this Father's Day 2021 - we wanted to take a look at the suit of the most infamous father from a galaxy far, far away. Yes, we're talking about Darth Vader of the Star Wars franchise. How do real-world spacesuits compare with his ensemble? In this expository story, EarthSky divulges the details. PS: spoilers ahead. Read more. | | |
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The secrets of noctilucent clouds | | The 2021 season for noctilucent clouds at northerly latitudes has begun. Every year - from about May through August in the Northern Hemisphere, and from November through February in the Southern Hemisphere - people at high latitudes report seeing noctilucent or night-shining clouds. They are, very simply, clouds that shine at night. And they are beautiful. See many lovely photos from the 2021 season. | | |
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