« previous next »

Author Question: The closest star to the Sun is named _______________. a. Proxima Centauri b. Sol c. Jupiter d. ... (Read 50 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
on: Jul 28, 2018
The closest star to the Sun is named _______________.
 a. Proxima Centauri
  b. Sol
  c. Jupiter
  d. Polaris

Question 2

If two protons are moved 3 times closer together, the electrical force between them is what factor of the original force?


LP

  • Sr. Member
  • ****
  • Posts: 302
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

9 times greater


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

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.

The Sun is the star at the center of the Solar System. The Sun is the star at the center of the Solar System.
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Balmer Lines in the Spectrum of a Star Balmer Lines in the Spectrum of a Star
Jupiter Unwrapped Jupiter Unwrapped
Smooth Brittle Star. Smooth Brittle Star.
Video: ribosome

For a complete list of videos, visit our video library