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When should you use light years?

Light years are used to measure distance from Earth to distant stars and planets.


5 How is the radio astronomy use to locate and map star and others heavenly body?

When we look at the night sky and see the stars we are only seeing a small part of what is actually being given off by the stars. Stars give off radio waves as well as visible light so radio telescopes are able to detect the radio waves and create maps of the sky based on their locations.


Is a satellite dish a form of radio telescope or antenna?

A radio telescope gathers and focuses radio waves, or electromagnetic waves outside the visual spectrum. A satellite telescope is sent outside the atmosphere to become a satellite of either the earth or sun, unless it is sent outside the solar system like the Voyager spacecraft. Many satellite telescopes carry several types of telescopes in one package to gather as much information as possible, like the Hubble.


In what sense are the quasars quasi-stellar?

A quasar is an abbreviated term for quasi-stellar radio sources.Quasi - means something resembling or having a likeness to.Stellar - means pertaining to, or characteristic of starsThe first "quasars" were discovered using radio telescopes in the late 1950s. Many were recorded as radio sources with no corresponding visible object.So they became known as a radio source resembling something like a star, or quasi-stellar radio sources.It was not until 1964 when they became known as quasars."So far, the clumsily long name 'quasi-stellar radio sources' is used to describe these objects. Because the nature of these objects is entirely unknown, it is hard to prepare a short, appropriate nomenclature for them so that their essential properties are obvious from their name. For convenience, the abbreviated form 'quasar' will be used throughout this paper.-- Hong-Yee Chiu in Physics Today, May, 1964"


What type of radio sounds do radio telescopes hear?

Stars broadcast from x-rays down through infrared, and radio telescopes take advantage of this by tuning in to the emissions, dubbed "radio" to differentiate from "optical" here, not because the star is necessarily being monitored in our "radio" spectrum.

Related Questions

Reasons why astronomers have difficulty looking at distant stars except?

Light years of dust lanes obscure the view of distant stars in visible light. However, radio telescopes can penetrate the dust and can detect (in the x-ray and infrared spectra) the stars in the core of our galaxy.They don't understand how redshift affects stars.


How are the lights at the stadium similar to stars in the sky?

Because there are a lots of lights in the stadium.


When was Distant Stars created?

Distant Stars was created in 1981.


How many pages does Distant Stars have?

Distant Stars has 352 pages.


What is a qazar?

Quasar.From Wikipedia:A quasi-stellar radio source (quasar) is a very energetic and distant galaxy with an active galactic nucleus. Quasars were first identified as being high redshift sources of electromagnetic energy, including radio waves and visible light, that were point-like, similar to stars, rather than extended sources similar to galaxies.http://en.wikipedia.org/wiki/Quasar


What type of telescope detects energy thats outside the visible spectrum?

Radio telescopes are designed to detect sources of electromagnetic radiation such as x-rays or other invisible emissions. They detect electromagnetic radiation from distant galaxies, including stars and planets and other astronomical radio sources. They are usually in the form of large parabolic antennas, sometimes with hundreds linked together in enormous arrays, connected to extremely sensitive radio frequency receivers.


Which of the following is not a reason that astronomers have trouble viewing distant stars?

Distant stars give off less light


Which stars resemble a flying horse?

Pegasus


What is the true shape of stars?

Stars are distant suns, which are roughly spherical in shape.


Why astronomers have difficulty looking at distant stars except?

Astronomers have difficulty looking at distant stars because while we have highly specialized telescopes, they are in constant contention with various other celestial bodies. In addition to this, the light of distant stars takes hundreds of thousands of years to reach us, making it impossible to get a current look at a distant star.


How far are the most distant stars from earth?

2


Why are stars not been found during the day time?

Simply because the daylight totally masks the far fainter star-light. They are still there, and radio telescopes can still track stellar radio sources.