Chapter 22 -- Studying Space

The spin of a body on its axis is called what?

• rotation
• revolution
• solstice
• electromagnetic spectrum

In the orbit of a planet or other body in the solar system, the point that is farthest from the sun is known as what?

• equinox
• solstice
• aphelion
• perihelion

What is an instrument that collects electromagnetic radiation from the sky and concentrates it for better observation called?

• perihelion
• refracting telescope
• reflecting telescope
• telescope

The motion of a body that travels around another body in space is called a what?

• astronomy
• solstice
• rotation
• revolution

The average distance between Earth and the sun is a(n)...

• astronomical unit
• revolution
• electromagnetic spectrum
• galaxy

A telescope that uses a curved mirror to gather and focus light from distant objects is called a _________ telescope.

• reflecting
• refracting
• astronomical
• revolution

The scientific study of the universe is called...

• electromagnetic spectrum
• galaxy
• revolution
• astronomy

All of the frequencies or wavelengths of electromagnetic radiation is known as what?

• revolution
• astronomical unit
• electromagnetic spectrum
• astronomy

In the orbit of a planet or other body in the solar system, the point that is closest to the sun is called what?

• astronomy
• perihelion
• solstice
• aphelion

What is the point at which the sun is as far north or as far south of the equator as possible called?

• perihelion
• aphelion
• solstice
• astronomical unit