This topic contains a solution. Click here to go to the answer

Author Question: William and Caroline Herschel's map included four of the following hypotheses in their model of the ... (Read 83 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
William and Caroline Herschel's map included four of the following hypotheses in their model of the galaxy. Which one was the exception?
 
  a. They thought that the holes in the sky were caused by interstellar dust clouds.
  b. They proposed that the galaxy had a disk shape.
 c. They provided accurate measurements of the distances to stars.
 d. They placed the Sun in the center of the galaxy.
 e. They found errors caused by a lack of knowledge of the interstellar medium.

Question 2

Newton concluded that some force must act on the Moon because ____.
 
  a. a force is needed to pull the Moon away from straight-line motion
  b. a force is needed to pull the Moon outward
 c. a force is needed to keep the Moon in motion
 d. the Moon has at a constant velocity
 e. the Moon has a constant acceleration



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

c

Answer to Question 2

a




Capo

  • Member
  • Posts: 545
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

For a complete list of videos, visit our video library