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

Author Question: When are Mercury and Venus easiest to observe from Earth? Why? How much of then can we see at that ... (Read 29 times)

mwit1967

  • Hero Member
  • *****
  • Posts: 501
When are Mercury and Venus easiest to observe from Earth? Why? How much of then can we see at that time?
 
  What will be an ideal response?

Question 2

The darkness of the night sky in an infinite universe is addressed in
 
  A) Steady State Physics.
  B) the Cosmological principle.
  C) General Relativity.
  D) Special Relativity.
  E) Olbers's paradox.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Benayers

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

At greatest elongations, they rise farthest east and west of the Sun, and can be best seen in evening and morning twilight. But they will appear only half lit.

Answer to Question 2

E



mwit1967

  • Hero Member
  • *****
  • Posts: 501
Both answers were spot on, thank you once again




 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

For a complete list of videos, visit our video library