Answer:
Because of the finite speed of light, when you gaze up into the night sky, you are looking into the past. The bright star Sirius is 8.6 light years away. That means the light hitting your eye tonight has been traveling for 8.6 years. ... When you look at that star tonight, you see it as it was at the time of your birth.
The last option is correct I’m pretty sure
Answer:
yup, because it is easy to know if the questions you are looking for are correct for you or you need to answer them to get +5pts or +50pts, 50pts are the hardest ones to answer so be careful what you answer.
Explanation: