Question

cosmic black holes ilets reading answers
​

Answer 1

newton's law of gravitation

Answer 2

Complete Question:

Complete each sentence with the correct ending below.

28. Newton’s law of gravitation

29. Einstein’s theory of relativity

30. We define black holes as areas that have

31. Scientists study black holes

32. Gases that are pulled into a black hole

33. Event horizons are

34. Compact black holes occur

Options:

1. By observing the matter around them.
2. Suggested the presence of black holes in outer space.
3. When a single star collapses.
4. Difficult to study.
5. Barely visible light.
6. An inescapable gravitational pull.
7. Did not apply to most astronomical bodies.
8. By direct observation.
9. Could not explain Mercury’s path around the sun.
10. Caused doubt about the existence of black holes.
11. Lose visibility.
12. Become very hot.
13. With large event horizons.
14. At the center of each black hole.

Choose the correct option.

35. Black holes can be found

• Only in the Milky Way.
• In most galaxies.
• Close to the sun.

36. Sagittarius A is

• A black hole located 26,000 light-years from Earth.
• One of the thousands of black holes orbiting Earth.
• A well-known compact black hole.

Do the following statements agree with the information given in lines 37—40 on your answer sheet, write:

True: if the statement agrees with the information.

False: if the statement contradicts the information.

Not Given: If there is no information on this.

37. It is not certain when the big bang occurred.

38. According to the “seed” theory, the first black holes eventually became supermassive black holes.

39. The “seed” theory has been proven true by computer simulation.

40. The black holes that existed in the early universe were all compact black holes.

Answer:

28. Newton’s law of gravitation could not explain Mercury’s path around the sun.

29. Einstein’s theory of relativity suggested the presence of black holes in outer space.

30. We define black holes as areas that have an inescapable gravitational pull.

31. Scientists study black holes by observing the matter around them.

32. Gases that are pulled into a black hole become very hot.

33. Event horizons are difficult to study.

34. Compact black holes occur when a single star collapses.

35. Black holes can be found in most galaxies.

36. Sagittarius A is a black hole located 26,000 light-years from Earth.

37. It is not certain when the big bang occurred: Not given

38. According to the “seed” theory, the first black holes eventually became supermassive black holes: True

39. The “seed” theory has been proven true by computer simulation: False

40. The black holes that existed in the early universe were all compact black holes: False

#SPJ2