Question

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

Explanation:

A radio - telescope detects radio waves from space objects. A spectroscope analyzes the spectra of light from space objects to study their composition. A refractive telescope uses lenses to gather and focus light from space objects. A microscope is used to study very small objects on Earth, not space objects.

Answer:

A. Radio telescope
B. Spectroscope
C. Refractive telescope