Sec 30.1 Practice Quiz

As seen from Earth, the brightness of a star

• Apparent magnitude
• Absolute magnitude
• Apparent motion
• Actual motion

If all the stars were a uniform distance from Earth, the brightness of a star.

• Apparent magnitude
• Absolute magnitude
• Apparent motion
• Actual motion

The apparent shift in the position of an object when viewed from different locations.

• Doppler effect
• Absolute magnitude
• Parallax
• Apparent magnitude

The way a star really moves.

• Apparent magnitude
• Absolute magnitude
• Apparent motion
• Actual motion

The way a star appears to move due to movement of the Earth.

• Apparent motion
• Absolute motion
• Actual motion
• Apparent magnitude

The distance that light travels in a year.

• Astronomical unit
• Light-year
• Parsec
• Light-minute

The apparent shift in wavelength of light as the source moves away from or toward the observer.

• Parallax
• Absolute magnitude
• Doppler Effect
• Apparent magnitude

Stars that are always visible in the night sky and appear to circle the North Star.

• Circumequitorial stars
• Polar stars
• Circumference stars
• Circumpolar stars

A star moving away from Earth has a spectrum that is what?

• Red shifted
• Blue shifted
• Parallax
• Doppler effect

A star moving toward the Earth has a spectrum that is what?

• Red shifted
• Blue shifted
• Parallax
• Doppler effect