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

Author Question: Astronauts approaching a black hole would observe that _____. a. time appears to slows down for ... (Read 171 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
Astronauts approaching a black hole would observe that _____.
 
  a. time appears to slows down for them
 b. time appears to speed up for external observers
 c. they become squashed flat - their heads and feet are pushed together by gravitational tides
  d. they become stretched thin - their heads and feet are pulled apart by gravitational tides
  e. nothing appears to change

Question 2

What tool did Galileo use to prove that the Moon was not perfect?
 
  a. microscope
 b. telescope
 c. quadranoscope
  d. thermometer
 e. anemometer



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

itsakadoozi

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

d

Answer to Question 2

b




CQXA

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
Excellent


dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

For a complete list of videos, visit our video library