Author Question: Why do astronomers need different telescope designs to observe across the electromagnetic spectrum? ... (Read 102 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?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

For a complete list of videos, visit our video library