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 17 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
:D TYSM

xiazhe

  • Member
  • Posts: 331
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

The Blue-bearded Bee-eater Nyctyornis athertoni is a large species of bee-eater found in South Asia. The Blue-bearded Bee-eater Nyctyornis athertoni is a large species of bee-eater found in South Asia.
Male lying supine with large ecchymosis on lateral rib cage and shoulder. Male lying supine with large ecchymosis on lateral rib cage and shoulder.
Oil Refineries Are Large and Complex Facilities Oil Refineries Are Large and Complex Facilities
Seven black members of Congress in 1871 are from left to right: Senator Hiram Revels (R-MS) and Repr Seven black members of Congress in 1871 are from left to right: Senator Hiram Revels (R-MS) and Repr
Anatomy of the Large Intestine By the time chyme reaches the large intestine, most of its nutrients Anatomy of the Large Intestine By the time chyme reaches the large intestine, most of its nutrients
Venn diagram representation of 17,067 medium and large clusters of protein Venn diagram representation of 17,067 medium and large clusters of protein
Video: Fractures Animation

For a complete list of videos, visit our video library