This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A quasar's spectrum is hugely redshifted. What do most astronomers think this large redshift tells ... (Read 54 times)

bobypop

  • Hero Member
  • *****
  • Posts: 539
on: Jul 27, 2018
A quasar's spectrum is hugely redshifted. What do most astronomers think this large redshift tells us about the quasar?
 
  A) the composition of the quasar
  B) the distance to the quasar
  C) the size of the quasar's central, supermassive black hole
  D) the type of host galaxy in which the quasar resides

Question 2

Galileo Galilei
 
  A) developed a theory of gravity to explain the motions of the planets
  B) obtained the first observational evidence suggesting the Earth moved about the Sun
  C) showed that the orbits of the planets were ellipses and not circles
  D) made detailed measurements of the motions of the planets in the sky


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

elyse44

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


bobypop

  • Member
  • Posts: 539
Reply 2 on: Jul 27, 2018
Gracias!

scottmt

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the
Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I
GI series. (a) Upper GI series begins with a barium swallow, barium shake, or barium meal. (b) Lower GI series. (a) Upper GI series begins with a barium swallow, barium shake, or barium meal. (b) Lower
Large-Flowered Trillium Large-Flowered Trillium
The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust
For toluene (shown below), you would expect to see which m/z fragment in the mass spectrum? For toluene (shown below), you would expect to see which m/z fragment in the mass spectrum?
Video: Nerve Impulse Transmission Animation

For a complete list of videos, visit our video library