Author Question: Suppose you live at latitude 30S. Which star is circumpolar in your sky? A) Alpha Centauri B) ... (Read 160 times)

bb

  • Hero Member
  • *****
  • Posts: 544
Suppose you live at latitude 30S. Which star is circumpolar in your sky?
 
  A) Alpha Centauri
  B) Deneb
  C) Spica
  D) Sirius

Question 2

Suppose the Moon's orbit were unchanged, but it rotated faster (meaning it did not have synchronous rotation). Which of the following would be true?
 
  A) The Moon would go through its cycle of phases (from one new Moon to the next) in less time than it does now.
  B) We would no longer always see nearly the same face of the Moon.
  C) Tides would be stronger; that is, higher high tides and lower low tides.
  D) High tides would occur more frequently than they do now.
  E) All of the above are true.



joewallace

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

For a complete list of videos, visit our video library