Tag: stars
Why Looking At The Stars Is A Look Back In Time?
Astronomers use this phrase because the light from distant stars takes time to reach us. When we observe a star, we are actually seeing the light it emitted in the past. The farther a star is, the longer ago that light was emitted, providing a glimpse into the star’s history.
Why Is the Greenland Ice Sheet More Sensitive to Climate Change?
The poles are the regions of the world most affected by climate change. In the Arctic and Antarctic, the pace of warming is 3 to 4 times higher than the global average.
Why Do Stars Have Different Colors?
Red, blue, white… The stars in the sky are not all the same shade. These differences are mainly explained by their temperature.