27-1 review

Which definition best describes the term "solar system?"

• A cluster of stars that orbit a planet
• A system of satellites that orbit the Earth
• A collection of celestial bodies that orbit around a star
• A group of planets that orbit around the sun

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What defines a "planet?"

• A celestial body that orbits a star, is spherical in shape, and has cleared its orbit of other debris.
• A celestial body that orbits a star and is not spherical in shape.
• A celestial body that orbits a star, is spherical in shape, but has not cleared its orbit of other debris.
• A celestial body that orbits a star, is not spherical in shape, and has cleared its orbit of other debris.

What is the "nebular hypothesis?"

• The nebular hypothesis is a theory explaining the formation of the sun.

• The nebular hypothesis is a theory explaining the formation of the solar system from a rotating disk of dust and gas.
• The nebular hypothesis is a theory explaining the formation of black holes.
• The nebular hypothesis is a theory explaining the formation of our galaxy.

Who came up with the "nebula hypothesis theory?"

• Pierre Simon Marquis de Laplace

• Johannes Kepler
• Galileo Galilei
• Isaac Newton

Tags

NGSS.HS-ESS1-3

What is a "solar nebula?"

• A rotating cloud of gas and dust from which the Kuiper belt and Oort cloud formed.

• A large asteroid belt located between Mars and Jupiter.
• A group of comets orbiting the sun in a specific pattern.
• A rotating cloud of gas and dust from which the sun and planets formed.

What is a "planetesimal?"

• A planetesimal is a large celestial body that originated within a protoplanetary disk and has undergone some initial stages of planetary formation.

• A planetesimal is a type of gas giant planet.
• A planetesimal is a solid object formed during the early stages of planetary formation.
• A planetesimal is a type of asteroid found in the asteroid belt.

What is a "protoplanet?"

• A protoplanet is a type of star.

• A protoplanet is a solid object formed during the early stages of moon formation.

• A protoplanet is a type of asteroid that collides with another asteroid and grows larger.

• A protoplanet is a large celestial body that originated within a protoplanetary disk and has undergone some initial stages of planetary formation.

Which planets are called the "inner planets?"

• Venus, Earth, Mars, Jupiter
• Mercury, Venus, Earth, and Mars
• Jupiter, Saturn, Uranus, Neptune
• Mercury, Venus, Earth, Jupiter

Which planets are called the "outer planets?"

• Venus, Earth, Mars, Jupiter
• Mercury, Venus, Earth, and Mars
• Jupiter, Saturn, Uranus, Neptune
• Mercury, Venus, Earth, Jupiter

Which planets are called the "ice giants?"

• Mars and Venus
• Uranus and Neptune
• Jupiter and Saturn
• Mercury and Earth