Precession, Nutation, and Barycenter

What is the wobbling of Earth on its axis called?

• precession

• Nutation

• Rotation

• Revolution

What is the circular offset of Earth’s position due to its rotation on its axis?

• Precession

• Nutation

• Barycenter

• Rotation

The center of mass of an object

• Angle of Insolation

• Barycenter

• Equinox

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Earth's wobble cause by the gravitational pull from the Sun & Moon. This changes the direction of the Earth's axis and will cause the north star to change over time.

• barycenter

• precession

• nutation

• ellipse

"Two objects in space orbit their shared center of mass." This statement describes which of the following?

• Barycenter

• Precession

• Nutation

• Kepler's 1st Law

Tags

NGSS.MS-ESS1-2

The moon does not revolve around the very center of the Earth but instead they both revolve around the point at which their masses balance. This is their ___.

• eccentricity

• precession

• nutation

• barycenter

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The slow, conical motion of the Earth's axis of rotation, caused by gravitational forces from the Sun and Moon, is known as what?

• Precession

• Nutation

• Barycenter

• Eccentricity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The point around which two celestial bodies orbit due to their gravitational interaction is called what?

• Precession

• Nutation

• Barycenter

• Ellipse

Tags

NGSS.MS-ESS1-2

Which term describes the small oscillations in the Earth's axis of rotation, superimposed on its precessional motion?

• Precession

• Nutation

• Barycenter

• Eccentricity

What is the term for the center of mass of two or more bodies that are orbiting each other, such as the Earth and the Moon?

• Precession

• Nutation

• Barycenter

• Ellipse

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4