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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

How does this type of telescope gather emr?

Well that depends on what kind of telescope you are talking about. I have a masters degree in space studies and I am currently working at Cambridge University so if you would like any help in your future, please be sure to email me at doomlad1232011@hotmail.ca I'am here to help!

What have been the benefits to science due to the HST?

Improve

The benefits for science have been that we have seen further into space than ever before, we have looked at stars close up, we have given ourselves a bright future thanks to this telescope

Did Galileo looked through his telescope to see planets and stars?

As we can see now ,in modern days many people are discovering such as new gadgets or instruments that can help to recognize or to study more about celestial bodies.Stars are one of the specific celestial bodies that are so small to see in our naked eyes. Scientist Mr.Isaas Newton made an instrument to see more,the little organism /the stars clearly with the use of telescope.Such Mr.Isaac Newton is not the 1 who was discovered this idea but he is the 1 who improvised or made this gadget.Now a days,all of the gadgets are improvised by other person,so its now easy to study about stars,moon,sun and other celestial body..

-Vincent Michael Brillo-

roxas city capiz.

What passageway for light maintains the correct distance between the lenses?

The optical axis maintains the correct distance between the lenses in a light microscope. This is the imaginary line that passes through the center of each lens in the system. Keeping the optical axis aligned ensures proper focus and clarity of the specimen being observed.

In what ways would a telescope mounted on the moon be better views into space than a telescope mounted on earth?

a moon based telescope would be better because on the moon there is no wind nor weather so it would be perfect to capture images without worrying about any obstacles.

on earth we worry about clouds winds and altitude etc etc.
to sum it all up then....... the reason moon-based telescopes are easier to see through is because the moon doesn't have as much obstructions like weather, clouds, pollution, weather, pretty much nuthin.

Does the diameter of a telescope control its magnification?

No, you can change the magnification of the telescope by simply changing the eyepiece. The two most important powers of the telescope, light-gathering power and resolving power, depend on the diameter of the telescope, but it does not control the magnification.

What was not seen telescopically by galileo?

Galileo was unable to resolve the rings of Saturn as individual objects with his telescope. They appeared to him as "ears" or handles attached to the planet. The true nature of Saturn's rings was not understood until later observations with more powerful telescopes.

What function do mirrors serve in reflecting telescopes?

Mirrors in reflecting telescopes are used to gather and focus light. The primary mirror collects incoming light, and then reflects it to a secondary mirror, which in turn directs the light to the eyepiece or imaging instrument. This design allows for larger apertures and better light-gathering capabilities than refracting telescopes.

What is the origin word of telescope for secretbuilders?

The word "telescope" comes from the Greek words "tele" (far) and "skopein" (to look or see), which together mean "far-seeing" or "seeing far off." The telescope was invented by the Dutch eyeglass maker Hans Lippershey in the early 17th century.

What do you call a telescope for two eyes?

A telescope designed for two eyes is called "Binoculars".

Binoculars are often used for spying, checking out the terrain (land), and watching wildlife from a distance.

bi = 2

oculars = eyes

tele = far

scope = watch

Why are telescope mirrors made of glass?

To improve resolving power you want your telescope as wide as possible. Lenses larger than one meter are not really feasable while 10 meter mirrors have been built successfully. Lenses focus different colors (wavelengths) of light different places (chromatic abberation) making good imagery difficult. Mirrors don't care about the wavelegth.

When can you see mars without a telescope from earth?

You can see Mars without a telescope when it is visible in the night sky and relatively close to Earth during its opposition, which occurs approximately every two years. Mars is typically visible to the naked eye as a bright reddish-orange object in the sky during these times.

Where is the hubble Space Lab in the night sky?

The Hubble Space Telescope (the HST or just the Hubble) is in earth orbit. Oh! You mean where in earth orbit! NASA is keeping an eye on it, and you can look over their shoulder by using the link provided.

Would it be possible to measure star distances using telescopes in orbit around the Moon and Mars?

In principle yes but an orbit round the Moon is too small to make it worth doing. An orbit round Mars would also be too small.

The present system uses the Earth's orbit as the base line, and parallax measurement works by measuring the exact position of a nearby star agains the background of distant stars at intervals of 6 months at opposite sides of the Earth's orbit.

The parallaxes are so small that it took until the 1800s for any parallax to be discovered. Before then the lack of parallax was always used as a genuine reason that the Earth could not be moving.

Who is the founder of telescope?

Hans Lippershey is often credited as the inventor of the telescope in the early 17th century, although the device's development is also attributed to others like Galileo Galilei and Johannes Kepler.

What type of telescope is the Subaru telescope?

the subaru telescope is a 8.2 m flagship telescope on one of Hawai's mountain, Mauna Kea. It is operated by the National astronimical observatory of japan (NAOJ) and the National institute of Natural science.

Do refracting and reflecting telescopes use visible light to view the images?

Those terms are most commonly used for optical telescopes. However, the same design can be used for non-visible frequencies; for example, radio telescopes of the "satellite dish" variety are essentially reflecting telescopes.

If Astronomers observe a typical star using a telescope and a spectrometer they will be able to determine what?

Astronomers can determine the star's temperature, chemical composition, mass, luminosity, and age by analyzing its spectrum. By studying the absorption and emission lines in the spectrum, astronomers can also infer the star's motion, magnetic fields, and if it has any companions such as planets or other stars.

State the law of magnetic fraction and repulsion?

The law of magnetic attraction and repulsion states that like magnetic poles (north-north or south-south) repel each other, and unlike magnetic poles (north-south) attract each other. This principle explains how magnets interact and is fundamental in understanding magnetic behavior.

The primary reason for spreading many radio telescopes across a large area and combining the signals at a central station is?

to increase the resolution of the telescope system. By having multiple telescopes spread out, the system can simulate a larger telescope, which allows for more detailed observations of celestial objects. Additionally, this setup improves the sensitivity of the telescope array, enabling it to detect fainter signals.

What did galileo see when he observed jupiter through his telescope?

Galileo observed four large moons orbiting Jupiter, now known as the Galilean moons: Io, Europa, Ganymede, and Callisto. This discovery provided evidence to support the heliocentric model of the solar system, as it showed celestial bodies orbiting a planet other than Earth.

Who invented the biggest telescope?

Lady Violet made the biggest telescope, she was eighteen when she started to build it and it was completed four years later. back in the eighteenth century ( when lady violet lived) there where few tools to build it that is why it took so long for such a young woman to build it.

How does the Hubble space telescope get enough energy to send an image it back to earth?

HST has 2 large Solar Panels that automatically adjust to the optimum angle to catch sunlight. The original panels were replaced on Servicing Mission 2 in 1997, as they were damaged (warped) by the constant change in temperature during orbital passes through the terminator between night and day. The current panels were designed to be much more efficient, a lot more stable, and much stronger, being able to withstand the problems that plagued the originals.

Which of the following statements best describes the difference between a refracting telescope and a reflecting telescope?

A refracting telescope uses lenses to gather and focus light, while a reflecting telescope uses mirrors. Reflecting telescopes are often preferred for large astronomical telescopes because mirrors can be made larger and more easily than lenses.

If you wanted a radio telescope to achieve the same angular resolution as a visible-light telescope it would need to be?

much larger in size because radio waves have longer wavelengths compared to visible light. A radio telescope would need a larger dish or antenna to achieve the same angular resolution as a visible-light telescope due to the longer wavelengths involved in radio astronomy.