MP 2 Marking Period Exam

The zodiac constellations are constellations that...

• Tell you about your personality

• Can be found on the horizon

• Circulate around Polaris

• Can be found along the ecliptic

A cycle of moon phases denotes what unit of time?

• An hour

• A day

• A month

• A year

An asteroid has an eccentricity of "0.97", what is the shape of the orbit

• Not enough information

• Very elliptical in shape

• Between a circle and an ellipse

• Very nearly circular

As a comet gets closer to the sun, its speed ____________

• increases

• decreases

• stays the same

• not enough information

An increase in the mass of an object means a(n) ___________ in inertia

• increase

• decrease

• mass has no impact on inertia

The term "precession" describes the idea that Earth...

• Wobbles on its axis once every 26,000 years

• Rotates on its axis once every 24 hours

• Revolves around the Sun once every 365.25 days

• Remains stationary as stars slowly revolve around it

Einstein hypothesized that gravity was not a force, but a property that

• Only objects with high mass possess

• "warps" or "curves" spacetime

• Shows how our solar system formed

• False, Einstein believed gravity was a force

How does a protostar become a star?

• It becomes cool enough for nuclear fission to occur

• It becomes cool enough for nuclear fusion to occur

• It becomes hot enough for nuclear fusion to occur

• It becomes hot enough for nuclear fission to occur

What is the order of steps of how the Jovian planets formed?

• Condensation, Gravitational Collapse, Accretion

• Accretion, Condensation, Gravitational Collapse

• Condensation, Accretion, Gravitational Collapse

• Accretion, Gravitational Collapse, Condensation

In a(n) _______, smaller planetesimals will combine to form _______.

• Asteroid belt, Planets

• Solar Wind, a Star

• Protoplanetary Disk, Planets

• Protostar, A Star