This topic contains a solution. Click here to go to the answer

Author Question: Why do oppositions of Mars stir such interest among amateur astronomers? What will be an ideal ... (Read 65 times)

bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
Why do oppositions of Mars stir such interest among amateur astronomers?
 
  What will be an ideal response?

Question 2

What is the primary purpose of an astronomical telescope?
 
  A) to magnify and make distant objects appear closer
  B) to separate light into its component colors
  C) to measure the intensity of light very accurately
  D) to access wavelengths that we cannot see visually
  E) to collect a lot of light and bring it to a focus



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

guyanai

  • Sr. Member
  • ****
  • Posts: 349
Answer to Question 1

Mars is small, and most of the time so distant from Earth that amateur telescopes have a problem seeing anything but an orange disk. But when the Earth overtakes Mars every 2.2 years, Mars gets close enough to us to appear much larger and to show a good deal of surface features and atmospheric clouds, polar caps, and dust storms.

Answer to Question 2

E




bobthebuilder

  • Member
  • Posts: 567
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

For a complete list of videos, visit our video library