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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 should one clean a brass telescope?
You can clean a brass telescope. Over a duration of time, brass starts to oxidize. To remove this, can use vinegar and salt. You can also use a concoction of chemicals that is premade, usually by a company that specializes in brass.
Anything that is invented to help view different aspects of science has a reason.
The telescope is a tool that helps us zoom into objects and view things in a zoomed way, something we could not do with our naked eyes. So, the telescope, told us about particles, bacteria, planets and everything that we can not see with our naked eyes alone. So, without telescopes, we would not be able to know what makes up sick etc.
What are some of the advantages of reflecting telescopes over refracting telescopes?
Size... a reflecting telescope with the same power as a refracting telescope is much shorter. This is because, in the reflecting telescope, the incoming light is bounced off mirrors (often more than once) which means the physical length is much shorter than an equivalent refracting model.
Why do people put telescopes in a desert?
Deserts usually have little cloud cover and humidity, both of which interfere with visibility. Most telescopes are located far from cities so there is little light pollution.
Is the hubble space telescope canadian?
No, the Hubble Space Telescope is not Canadian. It is a joint project of NASA (National Aeronautics and Space Administration) and the European Space Agency (ESA), with contributions from various other countries, but it is operated by NASA.
The Hubble has taken how many images?
It takes over 1200 images of interstellar space a day. Currently, NASA has saved about 3000+ photos of the cosmos.
What kind of eyepieces can you get for a telestar telescope by meade model DS-114?
stop looking through a telescope at that girl next door whos always getting undressed at 10 pm you perve.
happy trails!
Can you see any planets from earth with a telescope?
Yes, Mercury, Venus, Mars, Jupiter and Saturn had been discovered several millennia before the invention of the telescope.
What does the telescope let us do?
it allows you to see close ups of the moon and other planets to see the events that occur on special occasions
What is the first lens in a refractor called?
The first lens that the light energy passes through on its way through the telescope is called the object lens or the objective. It is the most important and the most expensive part of the telescope. Telescopes are graded by the diameter of the object lens.
When was the first telescope made?
The earliest evidence of working telescopes were the refracting telescopes that appeared in the Netherlands in 1608. Their development is credited to three individuals: Hans Lippershey and Zacharias Janssen, who were spectacle makers in Middelburg, and Jacob Metius of Alkmaar.
The first telescope was made by Galileo Galilee and he made many others after that
What could parents teach their children with telescopes for kids?
Parents can teach their children the basics of astronomy by letting them use a telescope for kids. It will help them understand techniques of observation, astronomy and simple physics.
What telescope was Draco dragon found?
You can't see constellations with a telescope. In fact, you may be looking straight
into one, but you'll never notice it until you come out from behind your telescope.
Humble space telescope's contributions to space?
The Hubble Space Telescope has made numerous contributions to space science, including: discovering that the expansion of the universe is accelerating due to dark energy, capturing detailed images of distant galaxies and nebulae, providing valuable data on exoplanets and their atmospheres, and helping to refine the measurement of the Hubble constant, which determines the rate of the universe's expansion.
What is the equation linking power of a radio telescope and the diameter of its dish?
For any parabolic antenna used to focus radio waves, the following formula is pretty good. GdB = 20 log( F D ) + 7.5 G = the gain of the antenna in dB, compared to an isotropic antenna F = the frequency, in GHz, at which the gain is 'G' D = the diameter of the parabola, in feet The formula assumes that the antenna's efficiency is 50% . If this bothers you and you want to assume 100% efficiency, simply change the ' 7.5 ' to ' 10.5 '. The formula shows that if the diameter of the antenna is doubled, or if the frequency of interest is doubled, then the antenna has four times as much gain ( + 6 dB ).
What would have a higher terminal velocity a marble or a napkin?
The marble has lower drag so its terminal velocity would be greater. Each has its own terminal velocity.
How long has the hubble space telescope been in space?
Hubble was launched 24 April 1990, at 8:33:51 EDT and achieved orbit that day. As of 24 February 2014, Hubble has been orbiting 23 years 10 months 1 day.
Where can one buy a good Tasco telescope?
Telescopes can often be found in hobby shops as well as some of the more popular electronic stores. Stores that specialize in educational toys and teaching aids would also be a good place to look for a telescope. However, there are many different models available with different functions, so be sure to do research on the specific telescope models.
They can pack a lot of light gathering power into a more compact body. And Maksutov-Cassegrain Telescope does much better.
