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Why does a nearly closed door project this perfectly spaced striped pattern onto my floor?
I noticed this while almost closing my front door at night. There is a window with evenly spaced bars/slats directly in front of the door. When the door is almost closed, this sharp striped pattern appears on the floor. The lines are evenly spaced and surprisingly crisp. Opening the door wider makes the effect change…
The maps that show how where you live is heating up due to climate change
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‘The moon looked wrong’: Artemis II mission controller Chris White on taking historic lunar flyby photos from 250,000 miles away
On April 6, the four crewmembers of NASA‘s Artemis II mission swooped around the far side of the moon in their Orion spacecraft, disappearing from Earth’s sight and losing all contact with humanity for roughly 40 minutes. At the same time, some 250,000 miles (400,000 kilometers) away, Chris White, the mission’s lead communications officer, was…
Slowdown in Arctic ice melt ends after largest winter decline on record | Environment
A previously recorded slowdown in Arctic sea ice decline has ended, according to a new study, with the largest year-to-year wintertime reduction ever recorded. In a study published last summer, researchers found that melting sea ice in the Arctic had slowed down over the past 20 years, with no statistically significant decline in its extent…
What’s It Like to Travel Near the Speed of Light? Part 4: The Hot View
(This is Part 4 of a series on what it’s like to travel near the speed of light. Read Part 1, Part 2, and Part 3 first.) Quick question: how many particles are around you right now? Probably a lot. But a countable lot. Work hard enough and you could get the number. And yes,…
Robotic Servicing Mission Launches with NASA Support
Following its liftoff from Cape Canaveral on July 21 aboard a SpaceX Falcon 9 rocket, the Mission Robotic Vehicle (MRV) hosting the NASA-supported Robotic Servicing of Geosynchronous Satellites (RSGS) payload is now en route to geosynchronous Earth orbit, where it will use its advanced robotics to service spacecraft. RSGS leverages in-space robotics expertise from NASA,…