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 54 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?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

For a complete list of videos, visit our video library