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Telescopes

A telescope is a device used to form images of distant objects. There are two kinds: an optical telescope uses lenses and is known as a refracting telescope or a refractor, and a reflecting telescope, which uses a mirror and is known as a reflecting telescope or a reflector. The earliest telescope was a refractor built by the Dutch eyeglass maker Hans Lippershey. This category is for questions related to telescopes, including using them to view distant planets and objects in space.

1,887 Questions

Do reflecting telescopes have mirror?

Telescopes just refract.

This is not completely true.

If we look at the HST (Hubble Space Telescope) this is a telescope that uses reflection rather than refraction.

Basically light enter the telescope and reflects of one concave mirror onto another concave mirror leading to a focal point where you can see an image.

(look on google images "Hubbell's optics" and a little bit down there is a double diagram with a white background.")

What is light telescope?

Telescopes that work with visible light, as opposed to other radiations such as infrared, ultraviolet, x-rays, etc.

What is the first planet to be discovered using observed gravitational anomalies?

The first planet to be discovered using observed gravitational anomalies was Neptune. Its existence was predicted mathematically based on irregularities in the orbit of Uranus, which led astronomers to search for and discover Neptune in 1846.

What is the formula for light gathering power for telescopes?

The formula for light gathering power for telescopes is proportional to the square of the diameter of the objective lens (or mirror) of the telescope. This can be calculated using the formula: Light gathering power = (Diameter of objective lens)^2.

How do you set the telescopes in the grand tower in mysterious journey 2?

In Mysterious Journey II: Chameleon, to set the telescopes in the Grand Tower, you need to adjust the lenses by rotating them to align specific constellations in the night sky. Look for clues in the observatory room to know which constellations to aim for and adjust the telescopes accordingly. Remember to observe patterns and use trial and error to solve the puzzle.

The trouble experienced with the Hubble Space Telescope dealt with?

The trouble experienced with the Hubble Space Telescope included a flaw in its primary mirror, which caused blurry images. This issue was corrected during a servicing mission in 1993. Additionally, the telescope has faced challenges with a few component failures, which have been addressed through subsequent servicing missions.

What computer language was used to program the computer for Hubble space telescope?

Ada was the programming language initially used to program the computer on the Hubble Space Telescope. It was chosen for its reliability and high-level capabilities, specifically for real-time systems and safety-critical applications.

Is mercury visible with a telescope?

Yes, but only for a short time after sunset or before sunrise. It would not be seen throughout the night, because it is close to the sun. You would not see it every night, only on rare occasions, because it is so close to the sun.

How do you fix the telescope clubpenguin?

On Mission 1 you have to open up your spy phone and click on the red light near the top. Then choose the spanner. Click on one of the pieces of the telescope whilst holding the spanner, and the telescope will be fixed.

Why do astronomers find it difficult to locate extrasolar planets with telescopes?

Planets are considerably smaller than their parent stars, also they emit no light and are very close to the star. With all this combined, separating between the two with a telescope is very difficult.

What is the name of a famous refracting telescope?

NASA's most famous telescope is probably the Hubble Telescope that orbits the earth.

What advantage would go a telescope in space have over a telescope on Earth?

The main advantage would be the absence of an atmosphere. Any telescope on earth can only "see" electromagnetic (light) waves after they have travelled through the atmosphere, losing some of their directional integrity, which distorts the image seen in earth bound telescopes. Some light waves never make it to the telescope at all.

When will the next black hole be?

If you were to think that the big bang was generated by the explosion/implosion of a massive black hole then you could affirm that there were no last black holes because none have actually died yet, or you probably wouldn't be here (in your form, it may be that life has regenerated after it's distruction in another way).

So no black holes have actually died from the last big bang.

Most optical telescopes used by professional astronomers are in?

Most optical telescopes used by professional astronomers are located on mountains or remote locations away from city lights to minimize light pollution and atmospheric disturbances. Some observatories, such as those in Chile and Hawaii, are known for having excellent observing conditions due to high altitudes and clear skies. Telescopes are also placed in space, like the Hubble Space Telescope, to avoid atmospheric interference.

You got 10mm lens and 20mm lens for your telescope What is the difference?

The difference between the 10mm and 20mm lenses is the focal length they provide. The 10mm lens will give you higher magnification and a narrower field of view, while the 20mm lens will give you lower magnification and a wider field of view. Choose the lens based on your observing preferences and the object you want to view.

Can you see Uranus without a telescope?

Theoretically it can be seen in perfect conditions with perfect eyesight, but most people would require binoculars to see Uranus. I saw it a few weeks ago, using 7 x 50 binoculars, near the star 60 piscium.

What is the famous observatory in California?

Answer #1:

Probably the most famous one is the Palomar Observatory.

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Answer #2:

Here is the name of the famous one.

There is another that is less famous.

  • Allen Telescope Array at the Hat Creek Radio Observatory,
  • Fremont Peak Observatory
  • Goldstone Deep Space Communications Complex
  • Griffith Observatory
  • Las Cumbres Observatory Global Telescope Network
  • Leuschner Observatory
  • Lick Observatory
  • Mount Wilson Observatory
  • Owens Valley Radio Observatory & Solar Array
  • Palomar Observatory
  • Stony Ridge Observatory
  • Table Mountain Observatory

What did Galileo's first telescope look like?

The shape of the lens means light near the top of the lens is bent down and light near the bottom of the lens is bent up. Somewhere inside the tube the light beams cross, but before they can spread out again the eyepiece lens bends the light beams again and sends them to the eye.

Can Neptune be seen without a telescope?

Yes, but it has to be a pretty good telescope, and you have to know just where to look. Neptune will look like a fairly faint star, you wouldn't know it was a planet unless you waited for days and observed it moving.

Are there other space telescopes besides the Hubble?

There are quite a few telescopes in space right now like the Hubble space telescope, Chandra X-Ray observatory, Spitzer space telescope, FERMI space telescope, the Herchel observatory, WISE telescope and the James Webb space telescope will soon be launched in 2014.

What is the location of the keck telescopes?

The Keck Observatory is located near the summit of Mauna Kea on the Big Island of Hawaii. It consists of two telescopes, Keck I and Keck II, which are among the largest and most scientifically productive telescopes in the world.

What is the newest telescope invention?

The newest telescope invention is the James Webb Space Telescope, scheduled to launch in December 2021. It is designed to be the premier observatory of the next decade, serving thousands of astronomers worldwide.

What does plano mean?

it means flat or plane; often used to describe eyeglasses or optical lense blanks that do not contain a curvature; e.g. for sunglasses or fashion eyewear they are non-perscription and non-corrective for vision defects: plano sunglasses;for telescopes mirrors they are flat blanks that are not yet ground into their parabolic shape.

It originates by combining the Latin words plānus (level) and plānum (level ground).

A secondary use of the word can be used to represent "movement," "moving," "capable of movement"; e.g. planogamete. This comes from the Greek plános (wandering, roaming).

Who was the inventor of the x ray telescope?

The x-ray telescope was not invented by one individual, but rather it was developed by various scientists and engineers over time. However, one significant early contributor to x-ray astronomy was Hans Wolter, a German physicist who designed the Wolter telescope structure that became the basis for many x-ray telescopes.