The Hubble Space Telescope is repaired and upgraded when needed. Many space shuttle missions have carried astronauts to Hubble for servicing missions. How many servicing missions were launched to repair or upgrade Hubble?
A
17
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B
8
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C
4
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D
5
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Solution
The correct option is D5
Hubble is a space telescope that was launched in 1990 by NASA in collaboration with European Space Agency. It is named after the astronomer Edwin Hubble and is still in operation.
It is located in low Earth orbit outside the distortion of Earth’s atmosphere that allows it to take extremely high-resolution images.
With the completion of the last servicing mission in 2009, Hubble remains in good health and is pegged to continue operations well past the year 2020.