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

Author Question: A supermassive black hole in the center of a galaxy typically represents ____ of the galaxy's total ... (Read 85 times)

shenderson6

  • Hero Member
  • *****
  • Posts: 573
on: Jul 27, 2018
A supermassive black hole in the center of a galaxy typically represents ____ of the galaxy's total mass.
 
  a. a tiny fraction of a percent
  b. about a percent
 c. 1-5
 d. 10
 e. 50

Question 2

A spectrograph spreads out light according to ____ to form a spectrum.
 
  a. wavelength
  b. frequency
 c. interference
  d. aberration
 e. grating


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xoxo123

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

a


shenderson6

  • Member
  • Posts: 573
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum
black-tailed jackrabbit (Lepus californicus) black-tailed jackrabbit (Lepus californicus)
Spitzer Telescope Picture of a galaxy Spitzer Telescope Picture of a galaxy
The Ku Klux Klan forces John Campbell, a black man, to beg for his life in Moore County, North Carol The Ku Klux Klan forces John Campbell, a black man, to beg for his life in Moore County, North Carol
Attributed to José de Alcíbar, From Spaniard and Black, Mulatto (De Español y Negra, Mulato). Attributed to José de Alcíbar, From Spaniard and Black, Mulatto (De Español y Negra, Mulato).
Total Fertility Rate in the United States, 1860–2008 Total Fertility Rate in the United States, 1860–2008
Video: Acids and bases - definition

For a complete list of videos, visit our video library