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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.
Webb's delays and cost increases have been compared to those of its predecessor, the Hubble Space Telescope. When Hubble formally started in 1972, it had an estimated development cost of US$300 million (equivalent to $2,185,203,000 in 2023), but by the time it was sent into orbit in 1990, the cost was about four times that.
COSTAR replaced the High Speed Photometer during the first Hubble Servicing Mission in 1993. [8] The original WFPC was replaced by the WFPC 2 during the same mission. [4] On 28 December 1993 the robotic arms were instructed by the Space Telescope Science Institute to deploy the mirrors into position. The resulting images confirmed that the ...
As the space agency pointed out, the telescope was only expected to be in service for roughly a decade when it was launched in 1990 from Kennedy Space Center in Florida.
The telescope has a much wider field of view than Hubble due to its shorter focal length, allowing it to observe about 100 times the area at any given time as Hubble can. [4] This has led to the donated telescopes' characterization as "Stubby Hubbles". [ 7 ]
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The following year, the telescope cost was estimated to be $970 million [43] to $1.4 billion. [33] ... almost ten times better than the Hubble Space Telescope. ...
The Hubble Space Telescope is known for its dazzling images of cosmic phenomena, but it didn't exactly start that way. Its first ever image, captured 25 years ago today, is decidedly less exciting ...