Author Question: When we see a binary system producing eclipses, we know that the orbit is nearly edge-on. a. True ... (Read 62 times)

chads108

  • Hero Member
  • *****
  • Posts: 507
When we see a binary system producing eclipses, we know that the orbit is nearly edge-on.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

The ___________________ _ of a black hole is the radius from the black hole at which the escape velocity is equal to the speed of light.
 
  Fill in the blank(s) with correct word



Expo

  • Sr. Member
  • ****
  • Posts: 351
Answer to Question 1

True

Answer to Question 2

event horizon
or
Schwarzschild radius



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library