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NASA and SpaceX Delay Crew-4 Launch

The official crew portrait of the SpaceX Crew-4 astronauts representing NASA’s Commercial Crew Program. From left are, Pilot Robert Hines, Mission Specialists Samantha Cristoforetti and…

Astronomy & Astrophysics 101: Electromagnetic Spectrum

The electromagnetic spectrum is a range of frequencies of electromagnetic radiation. From long to short wavelength, the EM spectrum includes radio waves, microwaves, infrared, visible…

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[unable to retrieve full-text content] source: TechCrunch

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[unable to retrieve full-text content] Source: SciTechDaily

Astronomy & Astrophysics 101: Dwarf Galaxy

Hubble Space Telescope image of NGC 5477, an archetypal dwarf galaxy in the Messier 101 group. Without obvious structure, but with visible signs of ongoing…