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

Author Question: Any main-sequence star over 25 solar masses will probably retain enough matter in its core after its ... (Read 21 times)

abc

  • Hero Member
  • *****
  • Posts: 543
Any main-sequence star over 25 solar masses will probably retain enough matter in its core after its supernova to make a black hole.
 
  Indicate whether the statement is true or false

Question 2

What is the best evidence for a supermassive black hole in the center of the Milky Way Galaxy?
 
  A) amazing filaments of radio emission swirling around the center of the galaxy
  B) the motions of stars around a mysterious dark object
  C) The existence of the Milky Way itself: The mass of the black hole is essential to gravitationally bind the galaxy together, so it doesn't fly apart.
  D) the gigantic bursts of X-ray energy from a mysterious dark object



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bfulkerson77

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

TRUE

Answer to Question 2

B





 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

For a complete list of videos, visit our video library