What tool is used by astronomers to study radiation?

Answer 1

Astronomers use a telescope to study radiation, at least the electromagnetic kind. But there is a broad range of this radiation that astronomers study. Pull up a chair and let's look a bit further into things.

We often think of the telescope as the primary instrument of the astronomer. But we also usually think of that "big eye" as looking for light sources. That's an optical telescope. Recall that visible light represents only a small portion of what is called the electromagnetic spectrum. (Light is electromagnetic energy.) There are ultraviolet rays, X-rays and gamma rays higher in frequency than visible light. And infrared rays, microwaves and all those radio waves are lower in frequency that the light we see.

Astronomers have to differentiate between telescopes so that it is clear what they are doing with them. That is, they have to know what types or what frequencies of electromagnetic radiation they are working with. Each type has value, and things that cannot be seen with an optical telescope will absolutely astonish an observer who is looking at images in the infrared, ultraviolet or microwave region. Heck, we even put telescopes of different kinds into orbit. Many if not most of those stunning images of stars, nebulae and the like that we see published are actually "enhanced" by combining observations of different types of telescopes to make up the image.

Keep in mind the broad range of energies (frequencies) in the electromagnetic spectrum when thinking about what astromomers are looking at when they peer out into space. That will help you figure out what they are using to look at stuff. There is a lotmore out there than meets the eye. A whole lot more. And we've only just scratched the surface.

Answer 2

There are no devices in existence that allow astronomers to physically gather stars. The closest that humans have come to that feat is collecting solar wind, which is comprised of charged particles ejected from the Sun.

Answer 3

Scientists use radio waves to study distant quasars because quasars emit large amounts of radio waves but not much visible light.

Answer 4

they use a collander to look through at them. the holes in the collander help astronomers isolate individual stars for further inspection.

Answer 5

Well, obviously telescopes (of one sort or another), but computers are also important... a fair number of astrophysicists don't actually use telescopes at all.

Answer 6

Different kinds of telescopes.

Answer 7

They use a Spectroscope.

Answer 8

...Telescopes?

Answer 9

a spectrometer

Answer 10

Telescope.