Question

when you have completed all questions, click the submit all and finish on the grade summary page of the assignment. (note: once this button is clicked you cannot return to the assignment.) question 1 1 pts which two forms of electromagnetic radiation are useful for observing the stars from the ground? ultraviolet radio waves microwave infrared gamma rays visible x - rays

Explanation:

The Earth's atmosphere absorbs most forms of electromagnetic radiation. However, visible light and radio - waves can penetrate the atmosphere and reach the ground, making them useful for ground - based star observations.

Answer:

radio waves, visible