Author Question: Why do astronomers need different telescope designs to observe across the electromagnetic spectrum? ... (Read 86 times)

asd123

  • Hero Member
  • *****
  • Posts: 557
Why do astronomers need different telescope designs to observe across the electromagnetic spectrum?
 
  A) New telescopes incorporate new technology to increase their efficiency.
  B) Telescopes have to adapt to the greater distortion of the atmosphere at shorter wavelengths.
  C) Photons of different energy have different wavelengths, some of which are not accessible from Earth's surface and require different collection strategies.
  D) Light pollution is worse at radio wavelengths than visible wavelengths.
  E) Astronomers and engineers enjoy the challenge of making new telescope designs.

Question 2

X-ray telescopes are located in orbit around the Earth because:
 
  A) X-ray telescopes on Earth would have to be too big.
  B) X-ray telescopes are cheap and easy to launch into space.
  C) there are too many X-ray telescopes on Earth, so now they are put in space.
  D) X-rays don't reach the surface of Earth.
  E) the X-rays that come out of the telescopes are dangerous to humans.



Edwyer

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

C

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

For a complete list of videos, visit our video library