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The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the first space telescope, but it is one of the largest and most versatile, renowned both as a vital research tool and as a public relations boon for astronomy. The Hubble telescope is named after astronomer Edwin Hubble and is one of NASA's Great Observatories, along with the Compton Gamma Ray Observatory (1991–2000), the Chandra X-ray Observatory (1999–present), and the Spitzer Space Telescope (2003–2020). The Space Telescope Science Institute (STScI) selects Hubble's targets and processes the resulting data, while the Goddard Space Flight Center (GSFC) controls the spacecraft.
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A. Hypothesis
Explanation:
A hypothesis is a well-tested, scientifically supported statement that explains how something works.
You could say DNA is found in both viruses and in living single-celled organisms because DNA is necessary to replicate itself.
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According to arthropolis.com a day lasts 24 hrs on June 21 at the artic circle
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