Discovering New Worlds Review

Front

What are the characteristics of the star Betelgeuse?

Back

Betelgeuse is reddish orange with high luminosity and low surface temperature.

Front

What characteristic is directly related to a planet’s average distance from the Sun?

Back

The period of revolution is directly related to a planet’s average distance from the Sun.

Tags

NGSS.HS-ESS1-4

Front

What are the surface temperature and luminosity characteristics of some white dwarf stars?

Back

Some white dwarf stars have a surface temperature of 10,000 K and luminosity of 0.001.

Front

What shape are the actual orbits of the planets in the solar system?

Back

The actual orbits of the planets are elliptical, with the Sun at one of the foci.

Tags

NGSS.HS-ESS1-4

Front

What force is responsible for the contraction of a nebula to form a protostar?

Back

Gravity is the force responsible for the contraction of a nebula to form a protostar.

Front

Define luminosity in the context of stars.

Back

Luminosity is the total amount of energy emitted by a star per unit time, often measured in watts.

Tags

NGSS.HS-ESS1-1

Front

What is the difference between period of revolution and period of rotation?

Back

The period of revolution is the time a planet takes to orbit the Sun, while the period of rotation is the time it takes to spin on its axis.

Front

What is an elliptical orbit?

Back

An elliptical orbit is an oval-shaped path that a celestial body follows around another body, such as a planet around the Sun.

Tags

NGSS.HS-ESS1-4

Front

What is a protostar?

Back

A protostar is a young star that is still in the process of forming from a collapsing nebula.

Front

Explain the significance of the Sun being at one of the foci in planetary orbits.

Back

The Sun's position at one of the foci of elliptical orbits explains why planets move faster when they are closer to the Sun.

Tags

NGSS.HS-ESS1-4