Electrmagnetic spectrum??

Question

Can someone give me some pics of the electrmagentic spectrum and can someone explain to me how astronomers study invisible energy present in space?? THANKS!!!!!!

Answer 1

first of all, pictures cannot be taken of the electromagnetic spectrum. this is partially because most of the electromagnetic spectrum is invisible to us, and because we are always looking with the help of the visible part of the electromagnetic spectrum so you can't actually separate normal viewing from the source that allows you to view.
astronomers use different types of telescopes that sense different parts of the electromagnetic spectrum. they use radio telescopes (those big satellite dishes you see) to focus on radio waves (they are pictured as contour lines around galaxies, planets etc).
to detect infrared (which mostly occurs around hot objects), they use telescopes that are orbiting the earth. UKIRT or United Kingdom Infrared Telescope and many others are currently doing their job.
to detect Xrays and Gamma rays, there is one very major telescope project that is also currently in use- Chandra X-ray observatory.
telescopes do not always have to be optical and can work at other invisible levels of the electromagnetic spectrum

Answer 2

All magnetic spectrum goes from 10 hz to light and different things emit different signals . So they scan the frequency range with huge antennas and are able to pinpoint the source. The solar systems are so far apart that it is hard to understand that what u are looking at may of happened a million years ago. There are 2 great Galaxies colliding and in there middle there are 2 black holes it could be quite a mess.

Answer 3

Very difficult to explain in simple way but i will try.

Electromagnetic spectrum is the whole frequency range of the electromagnetic energy in the universe. It is divided into different sub spectrum from lower to higher frequency which are: Long wave, Infra red, Radio frequency, visible light, Ultra violet, x' ray, and gamma rays. All of these sub spectrum except some portion of infra red, portion of ultraviolet and the visible light are invisible to our eyes. They can be studied by using different type of sensors. These sensor could be a simple radio antenna for radio frequency, heat detector for infra red or other types of sensors for higher frequencies such as photomultiplier tube, Geiger Muller tube and by some solid state device.

Answer 4

The electromagnetic spectrum is radio waves. And they use radio receivers and huge antennas (Arecibo) to study them. Radio waves start out flat (DC) and progress through waves that are very small. Immediately above this spectrum is light.

Answer 5

Hit the web with a search engine. 'electromagnetic spectrum' will get you a ton of hits and a lot of them have 'pictures' of the electromagnetic spectrum.

HTH

Doug

Answer 6

that is a long word for a normal person to understand what is used to represent

Answer 7

http://www.colourware.co.uk/cpfaq/pic1.gif