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

Author Question: Aristotle's hypothesis was that A) lunar eclipses were created by our shadow. B) only a ... (Read 80 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
on: Jul 27, 2018
Aristotle's hypothesis was that
 
  A) lunar eclipses were created by our shadow.
  B) only a spherical Earth would always cast a circular shadow on the Moon.
  C) lunar eclipses would have to happen every full Moon.
  D) the Sun lay at the center of the planet orbits.
  E) the Moon orbited the Earth.

Question 2

What is proper motion? How is it related to transverse velocity?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

janeli

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

Annual apparent motion of a star across the sky, in arc seconds per year. If we also know the star's distance, this angular motion can be turned into the transverse velocity in km/sec.


urbanoutfitters

  • Member
  • Posts: 530
Reply 2 on: Jul 27, 2018
:D TYSM

scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Roots of the keystone species hypothesis: does a higher proportion of predators in diverse communiti Roots of the keystone species hypothesis: does a higher proportion of predators in diverse communiti
Thick filaments are bipolar structures created by the association of many myosin molecules Thick filaments are bipolar structures created by the association of many myosin molecules
Mosaic image of the lunar south pole of the Moon Mosaic image of the lunar south pole of the Moon
Check Shadow (Proof) Check Shadow (Proof)
The disaccharides sucrose, maltose, and lactose are created from the monosaccharides The disaccharides sucrose, maltose, and lactose are created from the monosaccharides
Video: Lipid digestion - mouth, stomach and small intestine

For a complete list of videos, visit our video library