This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Light takes approximately one second to travel from the Earth to the Moon. This means that the Moon ... (Read 177 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
on: Jul 27, 2018
Light takes approximately one second to travel from the Earth to the Moon. This means that the Moon is approximately
 
  A) 1 astronomical unit from the Earth.
  B) 300,000 kilometers from the Earth.
  C) 3,000 kilometers from the Earth.
  D) 1 light year from the Earth.
  E) twice the distance from the Earth to the Sun.

Question 2

Which of the following statements does not use the term light-year in an appropriate way?
 
  A) It will take me light-years to complete this homework assignment.
  B) It's about 4 light-years from here to Alpha Centauri.
  C) A light-year is about 10 trillion kilometers.
  D) It will take the Voyager spacecraft about 20,000 years to travel just 1 light-year.
  E) The Milky Way Galaxy is about 100,000 light-years in diameter.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

smrtceo

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


Jkov05

  • Member
  • Posts: 556
Reply 2 on: Jul 27, 2018
Wow, this really help

lcapri7

  • Member
  • Posts: 350
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Lightning on Earth Lightning on Earth
Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ... Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ...
Earth-Sun Relationships Earth-Sun Relationships
Jet streams and Earth’s heat budget Jet streams and Earth’s heat budget
Interactions of Light and Matter Interactions of Light and Matter
moon moon
Video: Introduction to Herpes

For a complete list of videos, visit our video library