Interplanetary Space Travel

Which law of Kepler suggests that a planet moves faster when it is closer to the Sun in its orbit?

• First Law

• Second Law

• Third Law

• Law of Harmony

Tags

NGSS.HS-ESS1-4

What is the semi-major axis of an elliptical orbit?

• half the length of the major axis divided by two

• the distance from the Sun to the planet

• the distance from the center of an ellipse to the longer end of the ellipse

• the maximum distance from the planet to the Sun

Tags

NGSS.HS-ESS1-4

Kepler's Third Law establishes a relationship between the orbital period (T) and what parameter?

• orbital eccentricity

• orbital inclination

• semi-minor axis

• radius

Tags

NGSS.HS-ESS1-4

Who made extensive observations that served as the basis for Kepler's laws?

• Johannes Kepler

• Galileo Galilei

• Isaac Newton

• Tycho Brahe

What did Kepler's laws provide a mathematical foundation for in the work of Isaac Newton?

• Theory of Relativity

• Law of Universal Gravitation

• Laws of Thermodynamics

• Quantum Mechanics

Tags

NGSS.HS-PS2-4

In the context of Kepler's laws, what does the term "Law of Harmonies" refer to?

• harmony in the planetary orbits

• mathematical harmony between laws

• harmonious motion of triangular bodies

• harmony of the spheres

What is the fundamental force that governs the motion of objects in space, according to Newton's Law of Universal Gravitation?

• electromagnetic force

• strong nuclear force

• weak nuclear force

• gravitational force

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What set of parameters is used to fully describe an object's orbit in celestial mechanics?

• kinetic planets

• orbital parameters

• gravitational pull

• Kepler's electromagnetic force

Tags

NGSS.HS-ESS1-4

According to Kepler's Laws of Planetary Motion, what is described by the Law of Equal Areas?

• equal distances between comets

• dark gravitational forces

• equal areas swept out during equal time intervals

• equal eccentricities of orbits in an elliptical star

What is the minimum speed an object must reach to break free from the gravitational attraction of a massive body?

• terminal velocity

• escape velocity

• orbital velocity

• circular velocity

Tags

NGSS.HS-PS2-4