Astronomy

Front

What is the position of Earth in its orbit when it is closest to the Sun?

Back

Perihelion.

Front

What is the position of Earth in its orbit when it is farthest from the Sun?

Back

Aphelion.

Front

Which star does the northern end of Earth's axis point toward?

Back

Polaris.

Front

What is the term for the apparent shift of light from a star moving away from Earth?

Back

Red shift.

Front

What is the term for the apparent shift of light from a star moving toward Earth?

Back

Blue shift.

Front

What provides evidence of Earth's rotation?

Back

Foucault pendulum and Coriolis effect.

Front

What is the main difference between the rotation periods of gas giants like Jupiter and terrestrial planets?

Back

Gas giants have shorter periods of rotation.

Front

List the stars in order of increasing temperature: Barnard's Star, Polaris, Sirius, Rigel.

Back

Barnard's Star, Polaris, Sirius, Rigel.

Front

What is the Coriolis effect?

Back

The apparent deflection of moving objects when viewed in a rotating reference frame.

Front

What is the significance of the Foucault pendulum?

Back

It demonstrates the rotation of the Earth.