The Solar System and Universal Gravitation

Ace your homework & exams now with Quizwiz!

Uniform Gravitational Field

A constant field strength with parallel, equally spaced lines of force

Star

A huge ball of gases that makes its own heat and light

Radial Gravitational Field

A varying field strength around a spherical object that reduces with distance away from the center.

Gravitational Force

An attractive field force that acts between any two object, affected by the size of the masses and the distance between the masses.

Law of Universal Gravitation Equation

F = Gm₁m₂/r², where F is the gravitational force, m₁ and m₂ are the masses and r is the distance between their centers of mass.

Universal gravitational constant, G

G = 6.67 x10⁻¹¹ N kg⁻² m²

Who determined the value of Big G?

Henry Cavendish

Who developed the Law of Universal Gravitation?

Isaac Newton

Neptune

It has the fastest winds in the Solar System. It is dark blue.

Sun

It is a yellow dwarf star

Mars

It is called the Red planet.

Uranus

It's light blue.

It's the closest to the Sun.

Mercury

Our satellite

The Moon

its close to earth

The Sun appears to be the brightest and largest star because...

Our star

The Sun is made of hydrogen and helium gases, and supplies the heat and light that sustains life on Earth.

Orbit

The curved path of a celestial object or spacecraft around a star, planet, or moon; ; occurs when a projectile is moving fast enough so it falls at the same rate that the Earth's surface curves away beneath it.

93 million miles

The distance from the Earth to the Sun

Gravitational Field Strength, g

The force per unit mass placed at that point in the field

Jupiter

The largest planet and has at least 63 moons.

Earth

The only planet that supports life

Mercury

The smallest planet and fastest planet

General Relativity

This theory states that masses distort the four-dimensional space-time. The distortion creates the effect we describe as gravitational attraction.

Meteorite

When a meteoroid lands on the Earth's surface

Planet

a large body in space that orbits a star and does not produce light on its own

Gravity

a natural force that pulls two objects toward one another

Moon

a natural object that revolves around a planet

Orbit

a path of an object as it circles around another object in outer space

Meteor

a piece of rock or metal from space that enters Earth's atmosphere

Asteroid

a rocky object that orbits the Sun, found mostly in the region between Mars and Jupiter

Comet

a small object in space that orbits a star and is made of ice, dust particles, and frozen gases

The Moon

not a planet but it orbits our earth

Saturn

the 6th planet

Solar System

the Sun and the planets and other objects that orbit the Sun

Venus

the hottest planet

Revolve

the movement of an object around another object. The earth revolves around the sun.

Earth

the only planet in the solar system on which life is known to exist

Rotation

when an object spins on its axis


Related study sets

Lesson 5 Questions: Igneous Rocks

View Set

Pathophysiology Ch. 20 Integrated Pathophysiologic Concepts

View Set

(yo, tu....) "____" a la casa de amigo.

View Set

Pharmacology Chapter 16: Anti-Inflammatory, Antiarthritis, and Related Agents

View Set

C6 Internet Protocol (Lab & Review ?s)

View Set

AP Psych Unit 1 (branches of psychology)

View Set