Unit 1: The Night Sky

Imaginary dome formed by the sky

• period of revolution

• solar day

• period of rotation

• celestial sphere

Latin for "equal night"

• celestial sphere

• equinox

• solar day

• period of rotation

The amount of time needed for one rotation

• sidereal day

• period of rotation

• solar day

• period of revolution

Projection of the Earth's poles

• celestial sphere

• celestial poles

• period of revolution

• period of rotation

Amount of time needed for one revolution

• period of rotation

• sidereal day

• celestial sphere

• period of revolution

The length of time which elapses between the Sun reaching its highest point in the sky two consecutive times.

• solar day

• celestial sphere

• period of rotation

• sidereal day

The point where the celestial sphere appears to meet the Earth

• horizon

• celestial sphere

• period of rotation

• solar day

What term is given to the constellations that never set?

• Circumpolar Constellations

• Almagast

• Seasonal Constellations

• Stellar Cartography

The Little Dipper contains the star Polaris which is more commonly known as

• North Star

• Sirius

• Betelgeuse

• Vega

The two major causes of the Earth's four seasons are:

• The Earth's distance from the Sun and its axial tilt

• The Earth's rotation and revolution

• The Sun's activity and the Earth's atmosphere

• The Earth's magnetic field and ocean currents

Tags

NGSS.MS-ESS1-1