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

Author Question: Which of the following statements is true of open clusters? A) They contain 105 to 106 stars in a ... (Read 21 times)

KimWrice

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
Which of the following statements is true of open clusters?
 
  A) They contain 105 to 106 stars in a region about 10 pc in diameter.
  B) They have a transparent appearance.
  C) They comprise stars that are crowded together.
  D) They are spherical.

Question 2

In the context of various observations made, which of the following statements is true of gamma-ray bursts?
 
  A) They occur from one particular region in the sky.
  B) They glow brightly and resemble novae.
  C) Relatively long gamma-ray bursts are produced by a kind of supernova explosion.
  D) Beams of intense radiation flowing into a star result in powerful gamma-ray bursts.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mohan

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


KimWrice

  • Member
  • Posts: 579
Reply 2 on: Jul 27, 2018
Excellent

lcapri7

  • Member
  • Posts: 350
Reply 3 on: Yesterday
Great answer, keep it coming :)

« 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?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

TrUe....FaLsE TrUe....FaLsE
Classifying the Spectra of Stars Classifying the Spectra of Stars
Closed and Open Food Product Dating Closed and Open Food Product Dating
A pipe that is 0.46 m long and open at both ends vibrates in the second overtone with a ... A pipe that is 0.46 m long and open at both ends vibrates in the second overtone with a ...
An organizational specialist is hired as a consultant to a company planning to open a coffee ... An organizational specialist is hired as a consultant to a company planning to open a coffee ...
Comparison of open and closed circulatory systems. Comparison of open and closed circulatory systems.
Video: Summary of glucose catabolism

For a complete list of videos, visit our video library