Exam-style question
Try this first
Why must some telescopes be placed above the atmosphere?.
- A.To avoid atmospheric distortion of light
- B.To increase the telescope's size
- C.To enhance the brightness of celestial objects
- D.To reduce the cost of telescope construction
Model answer
What a good answer should say
- To avoid atmospheric distortion of light
Explanation
Why this works
The cause is the presence of Earth's atmosphere, which distorts and absorbs certain wavelengths of light. This distortion occurs because atmospheric particles scatter light and create turbulence, affecting the clarity of images.
The effect is that telescopes located on the ground cannot capture clear images of celestial objects. Consequently, placing telescopes above the atmosphere allows for clearer observations and better data collection from space, leading to more accurate astronomical research.
Common mistake
No common mistake is linked to this question yet.