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 62 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?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Formation of bilirubin, circulation and elimination Formation of bilirubin, circulation and elimination
Formation of a Bipolar Planetary Nebula Formation of a Bipolar Planetary Nebula
Processes of Lightning Formation: Leaders, Strokes, and Flashes Processes of Lightning Formation: Leaders, Strokes, and Flashes
Soils support plant growth through ion exchange Soils support plant growth through ion exchange
Apoptosis in the formation of a human hand Apoptosis in the formation of a human hand
Insulator and enhancer interactions Insulator and enhancer interactions
Video: Dissociative Disorders (Part 3)

For a complete list of videos, visit our video library