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 2010 times)

Jramos095

  • Hero Member
  • *****
  • Posts: 528
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
Answer to Question 1

A

Answer to Question 2

Isotropy



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Everyone has one nostril that is larger than the other.

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?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

For a complete list of videos, visit our video library