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The Hubble Space Telescope (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 as a vital research tool and as a public relations boon for astronomy .
2.6 AU when Mars is diametrically opposed to Earth Kepler correctly characterized Mars and Earth's orbits in the publication Astronomia nova. It had been conjectured that the fixed stars were much farther away than the planets. Sun: Star 3rd century BC — 1609 380 Earth radii (very inaccurate, true=16000 Earth radii)
Hubble Space Telescope in the cargo bay of Discovery. STS-31 was launched on April 24, 1990 at 12:33:51 UTC (8:33:51 am EDT, local time at the launch site). A launch attempt on April 10, 1990, was scrubbed at T−4 minutes for a faulty valve in auxiliary power unit (APU) number one. The APU was eventually replaced, and the Hubble Space ...
Sun–Earth L 1: CNSA: Launched on 23 November 2020, arrived at L 1 halo orbit on 15 March 2021. James Webb Space Telescope (JWST) Sun–Earth L 2: NASA, ESA, CSA: Launched on 25 December 2021, arrived at L 2 point on 24 January 2022. Operational as of 2022. [41] Euclid: Sun–Earth L 2: ESA, NASA Launched on 1 July 2023, arrived at L 2 point ...
The Hubble Space Telescope (HST) primarily observes visible light and near-ultraviolet. It was launched in 1990 aboard the Space Shuttle Discovery during STS-31, but its main mirror had been ground incorrectly, resulting in spherical aberration that compromised the telescope's capabilities.
The Hubble Space Telescope (HST) has been used to perform systematic studies of Mars [91] and has taken the highest resolution images of Mars ever captured from Earth. [92] This telescope can produce useful images of the planet when it is at an angular distance of at least 50° from the Sun.
STS-103, the 96th launch of the Space Shuttle and the 27th launch of Space Shuttle Discovery, was a Hubble Space Telescope servicing mission. It launched from Kennedy Space Center, Florida, on 19 December 1999 and returned on 27 December 1999 and was the last Shuttle mission of the 1990s.
The distance to the galaxy was previously believed to be only 2.4 Mpc (7.8 Mly). [4] However, in 2008 scientists studying images from Hubble calculated the galaxy's distance at nearly 11 million light-years away, about 4 million light-years farther than previously thought, meaning it is a member of the IC 342 group of galaxies.