Light and Telescopes Review

Front

What is the advantage of using a radio interferometer over a single radio telescope?

Back

Interferometers are cheaper to build and are more fault tolerant.

Front

Which property or properties of an interferometer are affected by the size of the individual telescopes?

Back

LCP only.

Front

Which interferometer, C or D, will produce an image with smaller details visible when observing a galaxy?

Back

Interferometer D.

Front

Why must Ultra-Violet observing be done in space?

Back

The ozone blocks most of the UV rays at the surface.

Front

Which wavelength of light is responsible for your sunburn?

Back

Ultraviolet.

Front

What is the primary function of a telescope?

Back

To collect and magnify light from distant objects.

Front

What is the difference between optical telescopes and radio telescopes?

Back

Optical telescopes collect visible light, while radio telescopes collect radio waves.

Front

What is the role of the ozone layer in observing ultraviolet light?

Back

The ozone layer absorbs most UV radiation, preventing ground-based observations.

Front

How does the size of a telescope affect its resolving power?

Back

Larger telescopes can resolve smaller details due to increased light-gathering ability.

Front

What is the significance of the wavelength of light in astronomy?

Back

Different wavelengths provide different information about celestial objects.