# Study sets matching "gravity astronomy"

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Gravity

Gravity

True

Gravity

____________ is what gives the universe its structure.

-a universal force that acts on all the objects in the universe

Every particle in the universe is drawn towards every other pa…

____________ is what controls the motion the motion of astrono…

Gravity

____________ is what gives the universe its structure.

Gravity

-a universal force that acts on all the objects in the universe

Newton's First Law

Newton's Second Law

Law of Universal Gravitation

Free fall

An object in motion stays in motion until acted upon an outsid…

Calculates acceleration; Force = mass x acceleration; Gravity…

Newton built upon a generalization of gravity by creating anot…

Downward movement under the force of gravity; free fall is wha…

Newton's First Law

An object in motion stays in motion until acted upon an outsid…

Newton's Second Law

Calculates acceleration; Force = mass x acceleration; Gravity…

Gravity

weight

mass

period

Force between any two objects in the universe. Its strength is…

Unit of measurement that is determined by the mass of the obje…

The amount of matter in an object.

Time it takes for a planet to make one complete orbit.

Gravity

Force between any two objects in the universe. Its strength is…

weight

Unit of measurement that is determined by the mass of the obje…

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gravity

Mass

size, distance

Jupiter

a force that pulls objects toward each other

the amount of matter in an object

the effect of gravity depends on the __________ of the planet…

Planet in our solar system with the most gravity

gravity

a force that pulls objects toward each other

Mass

the amount of matter in an object

Does all matter have a force of gravity?

Who was credited for discovering gravit…

But who knew about gravity from the sta…

Universal Law of Gravity Equation

Yes! Cannot shield

Isaac Newton, defined it

Cavemen

Does all matter have a force of gravity?

Yes! Cannot shield

Who was credited for discovering gravit…

Isaac Newton, defined it

Gravity

Example of Gravity

How does distance affect Gravity?

How does mass affect Gravity?

A force that pulls objects toward each other

A person drops a book and it falls to the ground

The further apart the objects, the weaker force of gravity

The bigger the mass of an object the more gravitational force;…

Gravity

A force that pulls objects toward each other

Example of Gravity

A person drops a book and it falls to the ground

Force

Gravity

Law of Universal Gravitation

Mass

A push or pull exerted on an object

A force of attraction between objects that is due to their mas…

the scientific law that states that every object in the univer…

A measure of the amount of matter in an object

Force

A push or pull exerted on an object

Gravity

A force of attraction between objects that is due to their mas…

orbit

moon

satellite

atmosphere

the path one object takes around another

any natural satellite of a planet

a small object orbiting a larger one. There are many electroni…

the mass of air surrounding a planet or the Earth

orbit

the path one object takes around another

moon

any natural satellite of a planet

Geocentric model

Retrograde motion

Copernicus's Heliocentric model

Epicycles

earth was the center of the universe

The apparent westward motion of a planet with respect to backg…

Sun is at the center of the universe

A moving circle in the Ptolemaic system about which a planet r…

Geocentric model

earth was the center of the universe

Retrograde motion

The apparent westward motion of a planet with respect to backg…

force

inertia

gravity

law of universal gravitation

a push or pull

resistance of an object to a change in it's motion

A force of attraction between objects that is due to their mas…

the scientific law that states that every object in the univer…

force

a push or pull

inertia

resistance of an object to a change in it's motion

Orbit

Which two people studied planetary orbi…

Kepler's First Law of Planetary Motion

Eccentricity

Path of an object through space

Tycho Brahe and Johannes Kepler

All planetary orbits are in the shape of an ellipse (Sun at on…

Roundness of ellipse (e = 1 is a line, e = 0 is a circle)

Orbit

Path of an object through space

Which two people studied planetary orbi…

Tycho Brahe and Johannes Kepler

Define gravity

Define weight

Define mass

does your mass or weight change on diff…

the force that attracts bodies towards each other in proportio…

weight is a measure of how the force of gravity acts upon mass

Mass is the amount of matter in a material

weight

Define gravity

the force that attracts bodies towards each other in proportio…

Define weight

weight is a measure of how the force of gravity acts upon mass

Natural motion

Violent motion

Acceleration of Gravity

Acceleration

The motion of objects toward their natural places

Motion other than natural motion

A measure of the strength of gravity at a planets surface

A change in velocity in either speed or direction

Natural motion

The motion of objects toward their natural places

Violent motion

Motion other than natural motion

The difference between speed and veloci…

The acceleration of gravity on Earth is…

Momentum is defined as _________.

Suppose you lived on the Moon. Which of…

velocity also includes a direction

30 m/s

mass times velocity

Your weight would be less than your weight on Earth, but your…

The difference between speed and veloci…

velocity also includes a direction

The acceleration of gravity on Earth is…

30 m/s

Nicholas Copernicus

Tycho Brahe

Johannes Kepler

Isaac Newton

1st to say heliocentric solar system

Documented Copernicus' studies... Took 30-40 years of notes on pa…

Found the patterns in Brahe's notes... Motion of planets is predi…

Law of Gravitation proves Kepler's law... Couldn't find G

Nicholas Copernicus

1st to say heliocentric solar system

Tycho Brahe

Documented Copernicus' studies... Took 30-40 years of notes on pa…

What is the mnemonic for memorizing the…

What are the eight planets?

What are the four terrestrial planets?

What are the four outer planets?

"My very educated mother just served us nachos."

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

Mercury, Venus, Earth, Mars

Jupiter, Saturn, Uranus Neptune

What is the mnemonic for memorizing the…

"My very educated mother just served us nachos."

What are the eight planets?

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

force

gravity

Law of Universal Gravitation

mass

a push or pull exerted on an object

the attractive force between objects; its strength depends on…

the scientific law that states that every object in the univer…

the amount of matter in an object

force

a push or pull exerted on an object

gravity

the attractive force between objects; its strength depends on…

F=G M1M2/D^2

Planets and stars are so big, gravity b…

Mass curves in space and object follow…

Dispersion, diffraction

The formula that represents Newton's Universal Law of Gravitat…

In the above formula, "G" is a very small number; why, then, d…

How did Einstein explain gravity in his General Theory of Rela…

The process prisms used to make rainbows are called __________…

F=G M1M2/D^2

The formula that represents Newton's Universal Law of Gravitat…

Planets and stars are so big, gravity b…

In the above formula, "G" is a very small number; why, then, d…

Direct Motion

Retrograde Motion

Epicycles

Geocentric Cosmology

Viewed from the Northern Hemisphere, the planets seem to move…

Occasionally the planets would stop and move backward, toward…

Greek explanation for retrograde motion

Earth centered... Order:... Earth ... Moon... Mercury... Venus... Sun... Mars... Jupit…

Direct Motion

Viewed from the Northern Hemisphere, the planets seem to move…

Retrograde Motion

Occasionally the planets would stop and move backward, toward…

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Speed

Velocity

Acceleration

Force

Rate at which something moves, distance traveled per unit time

An object's speed in a certain direction, ex. 10 m/s moving ea…

A change in an object's velocity, ie. a change in either speed…

A push or a pull. Anything that can cause a change in an objec…

Speed

Rate at which something moves, distance traveled per unit time

Velocity

An object's speed in a certain direction, ex. 10 m/s moving ea…

Force

Gravity

Law of Universal Gravition

Mass

A push or pull on an object.

The attractive force between objects; its strength depends on…

The scientific law that states that every object in the unvers…

The amount of matter in an object.

Force

A push or pull on an object.

Gravity

The attractive force between objects; its strength depends on…

Period of rotation

Revolution

Gravity

Mass and Distance

The time it takes an object to spin once on its axis.

The movement of an object when it orbits another object (EX: a…

A force that pulls on another object.

These two factors determine the strength of the force of gravi…

Period of rotation

The time it takes an object to spin once on its axis.

Revolution

The movement of an object when it orbits another object (EX: a…

Astronomy

Axis

Rotation

Revolution

The study of the moon, stars, and other objects in space

An imaginary line passing through Earth's center and the north…

The spinning motion of a planet on its axis; causes day and ni…

The movement of one object around another object; causes years

Astronomy

The study of the moon, stars, and other objects in space

Axis

An imaginary line passing through Earth's center and the north…