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Light Echo
The James Webb Space Telescope observed this light echo in the vicinity of the supernova remnant Cassiopeia A. This shimmering cosmic curtain shows interstellar gas and dust that has been heated by the flashbulb explosion of a long-ago supernova.
James Webb Space Telescope about Light Echo
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Earth Information Center
For more than 50 years, NASA satellites have provided data on Earth's land, water, air, temperature, and climate. NASA's Earth Information Center allows visitors to see how our planet is changing in six key areas: sea level rise and coastal impacts, health and air quality, wildfires, greenhouse gases, sustainable energy, and agriculture.
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Image Of The Day
Langley’s Propeller Research Tunnel
Chief of aerodynamics Elton W. Miller ponders the future of the Sperry M-1 Messenger, the first full-scale airplane tested in the Propeller Research Tunnel. Miller was one of the designers of the Propeller Research Tunnel.
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