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 911 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?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

For a complete list of videos, visit our video library