Suppose a star which is 100 light years away explodes today. It is highly unlikely that you will be able to see the explosion. Why?

Open in App

Solution

One light year is the distance travelled by light in a year. So, if a star which is 100 light years away explodes today, it is highly unlikely for us to see the explosion from Earth after 100 years.

Suggest Corrections

Similar questions

Q. Suppose a star which is

50

light years away from Earth explodes today. Will you be able to see the explosion in your lifetime? Give reasons for your lifetime? Give reasons for your answer.

Q. Question 15

A star is ten light years away from the earth. Suppose it brightens up suddenly today. After how much time shall we see this change?

I was told that a star that I am seeing today would have died long back. Then how am I able to still see it? It will not be possible? If it is, then why?

Q. Let's assume you made a spaceship which can travel with a speed of 50,000 km/seconds.Now you want to go to our nearest star Alpha Centauri which is 4 light years away. Considering that the speed of light is equal to 3,00,000 km/second, if you start your journey today, in how many years will you reach Alpha Centauri?

Suppose you are in an empty room which only contains UV-light. Will you be able to see walls? What is the range of wavelength of light we can see?

Join BYJU'S Learning Program