Questions regarding the Hubble Space Telescope, a visible light telescope orbiting Earth.
Questions tagged [hubble-telescope]
125 questions
23
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Why is the Hubble Telescope in space?
Why is the Hubble Telescope in space?
Do we get enhanced clarity and range by placing it in space?
What can it achieve from space that it could not achieve from Earth?
user96
8
votes
1 answer
Instrument aperture sizes on Hubble Telescope
When looking at the diagram of the focal plane of the Hubble Space Telescope I noticed that the aperture sizes of most of the scientific instruments are very small. They occupy a very tiny fraction of the focal plane.
I understand that for a…

mpv
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7
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How good is the HST compared to ground telescopes?
The Hubble Space Telescope (HST) is a remarkable device. It produced (produces) images whose resolution and clarity were a step change ahead of anything that could be captured from the ground. Is this still the case, or have adaptive optics and ever…

Rob
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Is it possible to use Hubble Telescope to observe Earth in the past?
We can observe many astronomical objects and structures beyond our solar system, however our observations are as the objects appeared in the past due to the speed of light. My question: "Is it possible to use Hubble Telescope to observe Earth as it…

H. Kemal İlter
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Has the Hubble ever been pointed at earth?
As in taking pix of earth, not just happen to point towards earth during a maneuver or whatever.

iMerchant
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Green objects in Hubble Ultra Deep Field
I was wondering what are the green objects that you see scattered in the Hubble Ultra Deep Field image (Warning possibly large/slow download : http://imgsrc.hubblesite.org/hu/db/images/hs-2004-07-a-full_jpg.jpg)
A crop of the image reduced in size…

coder_bro
- 153
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4
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1 answer
How is Hubble? What role does the payload computer play for astronomic observations?
Hubble seems to have a issues since weeks. Here what NASA says:
July 13, 2021 - Formal Review Completed to Assess All Operations Related to Hubble's Possible Switch to Backup Hardware
NASA completed a formal review to assess all operations related…

B--rian
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Why stars are shown as crosses in some Hubble images?
Why the most luminous stars (point sources of light) like the ones in the image below are rendered as crosses? If they are artifacts generated by some Hubble instrument, what causes them? Can them be corrected in some way?
What does the orientation…

Michele
- 135
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1 answer
who invented the Hubble telescope
I know that the Hubble telescope was named after Edwin Hubble, due to his astronomical discoveries of astronomy, but who designed it? Which people were most directly responsible for the inspiring and planning the HST project.
1
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Is there a legend for these 88 HST images?
Is there a legend for these 88 Hubble Space Telescope images?
I have a 6000px x 4800 px version of this image (reduced & rotated to 480x600 here) that I use for an image slide show. I would like to add the description of each image into the slide…

Andrew Thompson
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What "revolutionary" discoveries were made by Hubble Telescope
Forgive me for the naive question. Besides taking pictures of tons of objects in space, what kinds of revolutionary discoveries were made as a result of data from Hubble? Did Hubble shed light on any open problems or did it lead astronomers to…

math_lover
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Is this image captured by the Hubble Telescope an original image?
Is this image an original picture which is not photoshoped? I see a huge number of Hubble Telescope images on Google and I'm curious whether they are real images or not. If not, where I can find the real images captured by the Telescope which are…

lemonincider
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Is the Hubble Telescope due to be retired and replaced this year?
Just curious i heard mention of the Hubble being retired soon...not sure if it was 2017...but the same article said there was a more updated telescope ready to replace it?

user15419
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