« previous next »

Author Question: The nearest star is at a distance of 4.4 light-years. Given that light travels at 300,000 km/s in ... (Read 2007 times)

Jramos095

  • Hero Member
  • *****
  • Posts: 528
on: Jul 27, 2018
The nearest star is at a distance of 4.4 light-years. Given that light travels at 300,000 km/s in space, how far away is the nearest star in kilometers (km)?
 
  A) 4.2 1013 km
  B) 2.7 1015 km
  C) 3.0 108 km
  D) 9.5 1012 km

Question 2

________ is the concept that the universe looks the same in all directions.
 
  Fill in the blank(s) with correct word


micaelaswann

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

Isotropy


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Using Parallax to Determine Distance Using Parallax to Determine Distance
Using Parallax to Determine Distance Using Parallax to Determine Distance
The biochemical reactions of near-infrared light The biochemical reactions of near-infrared light
Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ... Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ...
Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ... Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ...
Apply light stroking with the palms from hip to ankles as a connecting and finishing technique. ... Apply light stroking with the palms from hip to ankles as a connecting and finishing technique. ...
Video: Neural regulation of mechanical digestion- CNS voluntary, ANS & ENS controlled involuntary movements

For a complete list of videos, visit our video library