If light from stars takes years to reach us, I wonder if we are looking into the past when we look at stars.
Text Solution
Verified by Experts
Yes, we are looking into the past.
Topper's Solved these Questions
STARS AND THE SOLAR SYSTEM
NAND LAL PUBLICATION|Exercise EXERCISES (Choose the correct answer )|3 Videos
STARS AND THE SOLAR SYSTEM
NAND LAL PUBLICATION|Exercise EXERCISES (Fill in the blanks:)|6 Videos
SOUND
NAND LAL PUBLICATION|Exercise ADDITIONAL QUESTIONS (SELF PRACTICE PROBLEMS)|3 Videos
Similar Questions
Explore conceptually related problems
Why are we looking at alternative sources of energy?
Why does a motor take more current when we start it?
A bag contains a red ball, a blue ball and a yellow ball, all the balls being of the same size. Kritika takes out a ball from the bag without looking into it. What is the probability that she takes out the yellow ball?
A bag contains a red ball, a blue ball and a yellow ball, all the balls being of the same size. Kritika takes out a ball from the bag without looking into it. What is the probability that she takes out the red ball?
A bag contains a red ball, a blue ball and a yellow ball, all the balls being of the same size. Kritika takes out a ball from the bag without looking into it. What is the probability that she takes out the blue ball?
The following graph represents the ages of 25 teachers of a school : From the bars of this histogram, we can answer the following questions : How many teachers are of age less than 35 years ?
NAND LAL PUBLICATION-STARS AND THE SOLAR SYSTEM-ADDITIONAL QUESTIONS (SELF PRACTICE PROBLEM )