Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

HorseCrazyGirlForever

Suppose a star is 300 light years away. The number tells you the distance to the star. It also tells you that the light you are seeing started on its journey from the star 300 years ago. If a star that is nine light years away blew up today, when would we know about it?

  • one year ago
  • one year ago

  • This Question is Closed
  1. JFraser
    Best Response
    You've already chosen the best response.
    Medals 1

    use the same logic as the 300ly star

    • one year ago
  2. HorseCrazyGirlForever
    Best Response
    You've already chosen the best response.
    Medals 0

    so 9 light years?

    • one year ago
  3. JFraser
    Best Response
    You've already chosen the best response.
    Medals 1

    but remember a light year is a distance, if the star blew up today, we wouldn't see it for ....

    • one year ago
  4. HorseCrazyGirlForever
    Best Response
    You've already chosen the best response.
    Medals 0

    10 years?

    • one year ago
  5. JFraser
    Best Response
    You've already chosen the best response.
    Medals 1

    the star is 9 light years away. the light that leaves that star will take 9 years to get here. 9 years

    • one year ago
  6. HorseCrazyGirlForever
    Best Response
    You've already chosen the best response.
    Medals 0

    Oh okay gotcha! Thank you so much! :D

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.