« previous next »

Author Question: We have already launched a spacecraft bound for Alpha Centauri. Indicate whether the statement is ... (Read 131 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
on: Jul 27, 2018
We have already launched a spacecraft bound for Alpha Centauri.
 
  Indicate whether the statement is true or false

Question 2

What causes the sun to bob up-and-down in its orbit around the galactic center?
 
  A) gravitational attraction towards other nearby galaxies
  B) the localized pull of stars within the disk itself
  C) lack of friction with the low-density interstellar medium
  D) A and B
  E) B and C


Kaytorgator

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 27, 2018
Answer to Question 1

FALSE

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


Kaytorgator

  • Sr. Member
  • ****
  • Posts: 345
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Location of Alpha Centauri in Centaurus Location of Alpha Centauri in Centaurus
The Moon passing in front of the Sun, from the STEREO-B spacecraft. The Moon passing in front of the Sun, from the STEREO-B spacecraft.
Stereo Image taken by NASA STEREO Probes launched in 2006; utilizing two Spacecrafts to image the Su Stereo Image taken by NASA STEREO Probes launched in 2006; utilizing two Spacecrafts to image the Su
Signal transduction pathway initiated by trimeric TNF-alpha Signal transduction pathway initiated by trimeric TNF-alpha
T cells bound to fluorescence-tagged antibodies to two cell-surface proteins are T cells bound to fluorescence-tagged antibodies to two cell-surface proteins are
Crewed mission spacecraft Crewed mission spacecraft
Video: Stroke volume - contractility definition

For a complete list of videos, visit our video library