This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The Moon's angular diameter in our sky is measured to be 0.5. From this, we can find a. the mass ... (Read 88 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
on: Jul 27, 2018
The Moon's angular diameter in our sky is measured to be 0.5. From this, we can find
 
  a. the mass density of the Moon if we know its distance from the Earth.
  b. diameter of the Moon if we know the Moon's distance.
  c. diameter of the Moon with no other information about the Moon.
  d. distance to the Moon with no other information about the Moon.

Question 2

How can we tell that some stars are relatively close to us in the sky?
 
  a. Some stars are occasionally eclipsed by the Moon, so they must be nearby.
  b. Some stars vary in brightness caused by sunspots we can see because they are so close.
  c. Some stars appear to be extremely bright and must therefore be very close to us.
  d. Some stars appear to move periodically back and forth against the background stars because of the Earth's movement around the Sun.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blfontai

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


bobbysung

  • Member
  • Posts: 519
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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.

Far side of the Moon Far side of the Moon
The Far Side of the Moon The Far Side of the Moon
Body mass index table. Body mass index table.
How to find an angle in radians degrees for any given reciprocal trigonometric function How to find an angle in radians degrees for any given reciprocal trigonometric function
How to find the constant (C) after finding the anti-derivative How to find the constant (C) after finding the anti-derivative
To find the derivative use product rule To find the derivative use product rule
Video: Normal and abnormal blood pH

For a complete list of videos, visit our video library