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

Author Question: How does the light-collecting area of an 8-meter telescope compare to that of a 2-meter telescope? ... (Read 49 times)

Collmarie

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
How does the light-collecting area of an 8-meter telescope compare to that of a 2-meter telescope?
 
  A) The answer cannot be determined from the information given in the question.
  B) The 8-meter telescope has 16 times the light-collecting area of the 2-meter telescope.
  C) The 8-meter telescope has 4 times the light-collecting area of the 2-meter telescope.
  D) The 8-meter telescope has 8 times the light-collecting area of the 2-meter telescope.

Question 2

How are the large amounts of heating at Io generated?
 
  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

LVPMS

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

Io's elliptical orbit causes variations in the gravitation pull of Jupiter and Europe. The changing force of gravity causes tidal stressing on Io's interior by Jupiter and Europa, heating the moon.


Collmarie

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 27, 2018
Thank you!


LVPMS

  • Sr. Member
  • ****
  • Posts: 323
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

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?

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?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

The Parahippocampal Place Area The Parahippocampal Place Area
Chris Burden, Urban Light. Chris Burden, Urban Light.
How to find the area of any triangle given its three sides How to find the area of any triangle given its three sides
Place a towel or sheet over knee area. Use a thin barrier to protect skin from cold source. Place a towel or sheet over knee area. Use a thin barrier to protect skin from cold source.
Tap the head. Apply light fingertip tapotement to the head: top, sides, and back. Tap the head. Apply light fingertip tapotement to the head: top, sides, and back.
Area of the hypoxic in The Gulf of Mexico’s “Dead Zone” Area of the hypoxic in The Gulf of Mexico’s “Dead Zone”
Video: Origin of organelles Animation

For a complete list of videos, visit our video library