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  1. Hace 6 días · The notion of spending a year in space brings a bundle of questions, chief among them: How does a year in the stars compare to a year on our blue planet? This article embarks Cosmic journey causes time dilation and discover how a year in space contrasts with a year on Earth.

  2. 6 de jun. de 2024 · Around the world, professional and amateur astronomers alike are closely watching T Coronae Borealis – the “Blaze Star,” a binary system some 3,000 light-years from Earth – waiting for an impending nova explosion event so bright it will be visible on Earth with the naked eye.

  3. 18 de jun. de 2024 · Explore this ever-expanding collection of mission profiles, biographies, articles, e-books, chronologies, and source documents spanning the history of the NACA and NASA.

  4. 10 de jun. de 2024 · The age of each supernova can be determined from its redshift (designated by ‘z’). The light of the most distant supernova, at a redshift of 3.8, originated when the universe was only 1.7 billion years old. A redshift of 2.845 corresponds to a time 2.3 billion years after the big bang.

  5. 5 de jun. de 2024 · Oleg Kononenko, the first person to log 1,000 days off Earth, has orbited the planet 16,000 times and flown 420 million miles.

  6. 12 de jun. de 2024 · Four people who spent three days off Earth in September 2021 experienced physical and mental changes that included modest declines in cognitive tests, stressed immune systems and genetic changes ...

  7. 11 de jun. de 2024 · May 2024 was the warmest May on the books, marking a full year of record-high monthly temperatures, NASA scientists found. Average global temperatures for the past 12 months hit record highs for each respective month – an unprecedented streak – according to scientists from NASA’s Goddard Institute for Space Studies (GISS) in ...