Celestial Sphere

An imaginary dome of the sky onto which all celestial objects such as stars, moons and planets can be plotted.

• Sun

• Celestial Sphere

• Apparent Motion

• Real Motion

Name the point directly above an observers head

• North Celestial Pole

• Nadir

• Zenith

• Polaris

The Celestial Sphere spins around two points in the sky known as the.....

• North and South Poles.
• Celestial North and Celestial South Poles.
• East and West Points of Light.
• Arctic and Antarctic Points.

What is the celestial equator?

• A band of constellations through which the planets and sun appear to move.

• The line that the sun traces across the celestial sphere.

• An imaginary line in the sky directly above Earth's equator.

• An imaginary line running north-south through the zenith

Which of the following best describes the tilt of the earth when it is summer in the southern hemisphere?

• The northern hemisphere is tilted toward the sun
• The northern hemisphere is tilted away from the sun
• The norther hemisphere is tilted neither toward or away from the sun
• Why are you talking about the northern hemisphere when you asked about the southern hemisphere?

Tags

NGSS.MS-ESS1-1

Which of the following best describes solstice.

• Either the longest or shortest day of the year for a hemisphere
• December 21 or 22
• June 21 or 22
• All of the above

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

If an astronomer informs you that a constellation is at the zenith, where would you look for it?

• northern horizon

• southern horizon

• directly overhead

• eastern horizon

How much of the celestial sphere can an observer on Earth see at one time?

• less than half

• exactly half

• more than half

What two points on the celestial horizon intercept with the celestial equator?

• North & West

• South & North

• East & South

• West & East

What does the prefix equ- mean?

• equity

• equal

• equator

• equanimity