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Why do you see two images in the telescope when the sextant is pointed towards an object?
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How big does the earth look from the Hubble telescope with the naked eye?
First off, your question is contradictory. You cannot look at any object with a telescope and with your naked eye at the same time. Naked eye means that you are looking at the object without any visual aid. The Hubble Telescope is never pointed at Earth. The Earth is too bright from that height and that high intensity could damage the Telescope's cameras. For pictures of the Earth from space, you can look up some images from the ISS or the Space Shuttle.
An optical instrument that forms enlarged images of distant objects is called a?
a telescope
What was wrong with the Hubble Space Telescope when it was first launched?
When they started getting images back from the Hubble, thee was a distortion that should not have been there, and it was keeping the telescope from capturing really good images. It later turned out that there had been a mistake made in grinding the curved mirror.
Does a telescope form a real image?
Yes. Both the objective lens in a refracting telescope and the main mirror in a reflecting telescope form real images at the prime focus. A frame of photo film or a CCD placed at that spot will capture the image.
Why does the Hubble Space Telescope give clearer images than those from earth?
Hubble does not have to contend with the atmosphere of the earth which bends and distorts images from earth-based telescopes.
How do you draw a sextant?
you draw a sextant by looking at googler in the images.
What telescope can now deliver images ten times sharper than the Hubble Space Telescope?
The (GMT) Giant Magellan Telescope .
Telescope that uses an objective lens to bend light toward the plane where the images is formed?
a refracting telescope
Telescope that uses an objective lens to bend light toward the plane where the images is formeds?
a refracting telescope
How does interferometry affect the images that are produced?
The detail in the images that they produce improves as the distance between the telescope increases.
What is a telescope that gathers x-rays from distant objects in order to produce the images of those objects?
X-ray telescope
What is a tool used to produce magnified images of distance objects?
a telescope
What is a special telescope which can see images with the help of radiation?
space probe
Is it true that the clearest images of objects in deep space are produced by a telescope in space?
Yes, telescopes in space, like the Hubble Space Telescope, produce the clearest images because images from ground-based telescopes get distorted when the light passes through the atmosphere.
Does the Hubble Telescope use mirrors or lenses to focus the image?
The Hubble Telescope uses both mirrors and lenses to focus on images.
Which technology can allow a single ground-based telescope to achieve images as sharp as those from the Hubble Space Telescope?
adaptive optics
Why are mirrors used in a telescope?
Mirrors are used in a telescope because they bounce images off of them instead of bending images like refracting telescopes. This ensures that the image is focuses. If you were using a refracting telescope (no mirror) the colours would be bent at different times making an unfocused image.
