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

Author Question: Gentle tidal interactions are probably necessary to support the formation of _______________ in a ... (Read 79 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
on: Jul 27, 2018
Gentle tidal interactions are probably necessary to support the formation of _______________ in a galaxy.
 
  Fill in the blank(s) with correct word

Question 2

Why do large reflecting telescopes, like the Keck Observatories, have segmented mirrors?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 27, 2018
Answer to Question 1

spiral arms
spirals

Answer to Question 2

Segmented mirrors of large telescopes reduce the weight of the mirror, therefore reducing the weight of the rest of the telescope, making it stronger and less expensive. Also, segmented mirrors prevents sagging (and thus breakage) of one, large, heavy mirror.


sc00by25

  • Hero Member
  • *****
  • Posts: 596
Reply #2 on: Jul 27, 2018
Thank you!


isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

The formation of micelles by amphipathic molecules The formation of micelles by amphipathic molecules
The chemistry of polypeptide formation The chemistry of polypeptide formation
Bone fractures that occur before death show signs of healing. The process of fracture healing starts Bone fractures that occur before death show signs of healing. The process of fracture healing starts
Based on the experiments summarized here, how do you think women would modify their interactions if ... Based on the experiments summarized here, how do you think women would modify their interactions if ...
Types of pharmacokinetic drug–drug interactions. Types of pharmacokinetic drug–drug interactions.
Nursing Responsibilities Related to Adverse Drug Reactions and Drug Interactions in Older Adults Nursing Responsibilities Related to Adverse Drug Reactions and Drug Interactions in Older Adults
Video: Introduction to Breast Cancer

For a complete list of videos, visit our video library