Question

which of these tools are used by scientists to study objects in space?
□ radio telescope
□ spectroscope
□ refractive telescope
□ microscope

Explanation:

Radio telescopes detect radio - waves from space objects. Spectroscopes analyze the spectra of light from space objects to study their composition. Refractive telescopes use lenses to gather and focus light from space objects. Microscopes are used to study very small objects on Earth, not space objects.

Answer:

A. Radio telescope, B. Spectroscope, C. Refractive telescope