Question

FOR ANYONE WORKING ON THE HUBBLE SPACE TELESCOPE
The Hubble Space Telescope 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, well known both as a vital research tool and as a public relations boon for astronomy. The Hubble is a joint project between NASA and the European Space Agency. The Hubble Space telescope was first launched on April 24, 1990, and deployed April 25, 1990. The orbit of this telescope had an average altitude of 307 nautical miles inclined 28.5 degrees to the equator. It took about 97 minutes to complete a full orbit with a speed of 17,500 mph. Hubble’s elevated perspective and advanced optics allow it to peer farther away than previous ground-based optics are able to see. Because light takes time to travel long distances, the range of the HST makes it function similar to a time machine; the light it views from remote objects only reveals how that object appeared when the light left it, not how it appears today. Thus when we look at the Andromeda galaxy, 2.5 million light-years from Earth, we see it as it was 2.5 million years ago.

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not my book answer sorry heat