Telescope Knowledge

What is the purpose of a telescope?

• To study the behavior of planets.

• To communicate with extraterrestrial life.

• To observe distant objects in space.

• To measure the temperature of stars.

What are the main parts of a telescope?

• ocular, camera, tripod

• camera, tripod, lens cap

• objective lens or mirror, eyepiece, mount

• ocular, tripod, lens cap

What is the difference between a refracting telescope and a reflecting telescope?

• A refracting telescope uses lenses, while a reflecting telescope uses mirrors.

• A refracting telescope is more expensive than a reflecting telescope.

• A refracting telescope is used for observing distant objects, while a reflecting telescope is used for observing nearby objects.

• A refracting telescope uses mirrors, while a reflecting telescope uses lenses.

What are some common telescope observation techniques?

• infrared observation

• ultraviolet observation

• gravitational wave detection

• visual observation, astrophotography, spectroscopy, and radio astronomy

How can you protect a telescope from dust and moisture?

• Keep the telescope in a damp and dirty place, use a cloth instead of a telescope cover or case, use salt instead of desiccant or silica gel packs, and avoid cleaning or maintaining the telescope.

• Leave the telescope exposed to dust and moisture, use a plastic bag instead of a telescope cover or case, use water instead of desiccant or silica gel packs, and never clean or maintain the telescope.

• Store in a dry and clean environment, use a telescope cover or case, use desiccant or silica gel packs, and perform regular cleaning and maintenance.

• Store in a dusty and humid environment, never use a telescope cover or case, avoid using desiccant or silica gel packs, and never perform cleaning and maintenance.

The purpose of the aperture is to

• magnify light

• reflect light

• collect light

• refract light

You should always start with a ____________ magnification.

• lower

• higher

Which of these is not a planet easily viewable, in the night sky, with an optical telescope?

• Jupiter

• Earth

• Saturn

• Venus

What protects the mirror or lenses from dust?

• lens cap

• your hand

• a closet

• focuser knob

It is important to make sure your telescope is secured in position.

• True

• False