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

Author Question: The Sun is located at the edge of the galaxy, approximately 50,000 light-years from the galactic ... (Read 40 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
on: Jul 27, 2018
The Sun is located at the edge of the galaxy, approximately 50,000 light-years from the galactic center.
 
  Indicate whether the statement is true or false

Question 2

What is not a main source of evidence for the existence of dark matter?
 
  A) massive blue stars
  B) rotation curves of disk galaxies
  C) stellar motions in elliptical galaxies
  D) velocities and positions of galaxies in clusters of galaxies
  E) gravitational lensing by clusters of galaxies


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

TheDev123

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

FALSE

Answer to Question 2

A


WhattoUnderstand

  • Member
  • Posts: 517
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

Jossy

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in
Defying thousands of years of conventional wisdom, scientists are reporting that it is possible for Defying thousands of years of conventional wisdom, scientists are reporting that it is possible for
Why leaves are green: interaction of light with chloroplasts. Why leaves are green: interaction of light with chloroplasts.
The Speed of Light Is Constant The Speed of Light Is Constant
Climate change occurs over millions of years Climate change occurs over millions of years
Earth 430 Million Years Ago Earth 430 Million Years Ago
Video: Regulation of GFR: three methods, autoregulation & autoregulation via myogenic mechanism

For a complete list of videos, visit our video library