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The GALEX observatory was a recent observatory. that was launched to observe over a half-billion galaxies going back to when our Universe was just about 3 billion years old. It used wavelengths of higher
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The GALEX observatory was a recent observatory. that was launched to observe over a half-billion galaxies going back to when our Universe was just about 3 billion years old. It used wavelengths of higher energy than visible light. Which of these could describe the wavelengths used by the GALEX observatory to make observations in space?

A. microwaves
B. radio waves
C. Infrared waves
D. ultraviolet waves

User ZaoTaoBao
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2 Answers

9 votes
9 votes
The answer is D:ultraviolet waves
User Cody Reichert
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13 votes
13 votes

Ultraviolet waves.

Hope this helps :)

User Joberror
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