This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The center of our galaxy is believed to be occupied by the radio source known as ... (Read 24 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
on: Jul 27, 2018
The center of our galaxy is believed to be occupied by the radio source known as ___________________ _.
 
  Fill in the blank(s) with correct word

Question 2

What is the lifetime on the main sequence of a 2-solar-mass star compared to the approximately 10-billion-year life of our Sun? Pick the best answer.
 
  a. 1.8  1011 years
  b. 1.8  1010 years
  c. 1.8  108 years
  d. 1.8  106 years
  e. 1.8  103 years


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AaaA

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 27, 2018
Answer to Question 1

Sgr A
Sagittarius A

Answer to Question 2

c


joblessjake

  • Member
  • Posts: 555
Reply 2 on: Jul 27, 2018
:D TYSM

T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

The Sun is the star at the center of the Solar System. The Sun is the star at the center of the Solar System.
Women who are monozygotic twins and have the same genes are more similar in their marital happiness Women who are monozygotic twins and have the same genes are more similar in their marital happiness
Romanian Adoptees’ Cognitive Abilities, by Age of Adoption The later the age of adoption, the lower Romanian Adoptees’ Cognitive Abilities, by Age of Adoption The later the age of adoption, the lower
Remove the heat source, and check the skin for redness. Massage the area, and notice muscle ... Remove the heat source, and check the skin for redness. Massage the area, and notice muscle ...
Carrots are a good source of vitamin A Carrots are a good source of vitamin A
Criteria for Trauma Center Designation Criteria for Trauma Center Designation
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

For a complete list of videos, visit our video library