« previous next »

Author Question: Suppose you live at latitude 30S. Which star is circumpolar in your sky? A) Alpha Centauri B) ... (Read 137 times)

bb

  • Hero Member
  • *****
  • Posts: 544
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Looking toward the Sun from Alpha Centauri in Celestia Looking toward the Sun from Alpha Centauri in Celestia
Circumpolar Star Trails Circumpolar Star Trails
The Structure of an Old Low-Mass Star The Structure of an Old Low-Mass Star
The vast majority of older adults live in their own homes, even when they need special equipment or ... The vast majority of older adults live in their own homes, even when they need special equipment or ...
Human salivary alpha amylase test. Human salivary alpha amylase test.
Which reaction below represents Th decay by alpha emission? Which reaction below represents Th decay by alpha emission?
Video: Secretin (inhibiting gastric acid secretion), Cholecystokinin (fat digestion) & Cholecystokinin

For a complete list of videos, visit our video library