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

Author Question: Although some photographs show what looks like jets of material near many young stars, we now know ... (Read 50 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
Although some photographs show what looks like jets of material near many young stars, we now know that these jets actually represent gas from the surrounding nebula that is falling onto the stars.
 
  Indicate whether the statement is true or false

Question 2

One of the most fundamental discoveries about the universe has been that it is expanding. The universe is expanding means
 
  A) the cosmological horizon is growing with time.
  B) galaxies are growing with time.
  C) distances between most galaxies are getting larger.
  D) our estimate for the size of the universe has increased over the last century.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mtmmmmmk

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 27, 2018
Answer to Question 1

FALSE

Answer to Question 2

C


jlmhmf

  • Hero Member
  • *****
  • Posts: 552
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


mtmmmmmk

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Large size can provide a refuge from predators. While young African elephants may be vulnerable to p Large size can provide a refuge from predators. While young African elephants may be vulnerable to p
Young feral cat eating a cottontail rabbit. Young feral cat eating a cottontail rabbit.
A microsatellite locus can show linkage to a disease gene A microsatellite locus can show linkage to a disease gene
Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta
The structural formulas show the state of ionization that would predominate at pH 7.0 The structural formulas show the state of ionization that would predominate at pH 7.0
Mary Cassatt, Young Mother, Daughter, and Son. Mary Cassatt, Young Mother, Daughter, and Son.
Video: What is Reverse Osmosis?

For a complete list of videos, visit our video library