If it takes the object the same amount of time to move between each dot/letter, what is true about the area between points A, B and the Sun, and the area between points H, I and the Sun?

The area between A, B and the Sun is the largest.

The area between H, I and the Sun is the largest

There is not enough information to determine the areas

Retrograde motion occurs because

Inner planets move faster in their orbit than outer planets

planets orbit the Sun in the same direction.

Outer planets rotate quickly on their axes.

Copernicus' important contribution to astronomy was

proposing a simpler model for the motions of planets in the solar system

proving planets move around the Sun in elliptical orbits

discovering the Sun was not at the center of the Milky Way

How are planets different than stars in the sky?

Planets’ move compared to other objects in the sky; stars don’t

Planets are on the ecliptic; stars aren’t

Planets move westward in the sky at night; stars move eastward

What causes retrograde motion?

Inner planets passing outer planets.

Planets orbit in little circles along a larger orbit

The daily rising and setting of planets is caused by ___.

Earth's rotation counterclockwise

Earth passing the planet in its orbit

Planets moving on the inner portion of their epicycle

When a planet is "in retrograde", it ...

It appears to move in the opposite direction compared to the stars (compared to the Sun and its normal direction)

causes unusual behavior in people who have specific zodiac signs

it is farther from the Earth than any other time in its orbit

it rises in the west and sets in the east

Which of the following supports heliocentricity? There are 3.

Venus has phases as seen from Earth

Jupiter has moons that orbit it and not Earth

Planets and stars seem to move around Earth because the rise on one side and set on the other side

Historical perspectives on Earth's position in cosmology

Mercury appears biggest at ____ and smallest at ____

inferior conjunction; superior conjunction

greatest elongation; smallest elongation

superior conjunction; opposition

How did Copernicus explain the apparent daily motion of the Sun and Moon (and the retrograde motion of the planets.)

He said it was due to Earth's motion.

He said it was because they were orbiting Earth.

He said it was because Earth was the center of their gravity.

He said ti was because they are closer to Earth than stars.

The eccentricity of planet A is 0.26. The eccentricity of planet B is 0.08. What do we know about planet A.

Planet A's orbit is more elongated.

Planet A is farther from its star than B

Planet A is moving slower than panet B

Jupiter is much larger than its moon, Europa. The center of gravity between Jupiter and Europa is

much closer to Jupiter (within Jupiter)

The major axis is the distance from

half of the distance from a to C

Kepler's law about "equal areas in equal time" tells us that orbiting objects

move faster when they are closer

have shorter periods when they have shorter average distance

have greater gravity when they are closer

Which will have a bigger force of gravity on the Earth

The Mercury because it is moving the fastest

Planets move fastest at perihelion because

the mass of the Sun and the planet are spread out over the smallest distance.

The force of gravity is greater (causing accelleration)

It has more acceleration because it is farther from the Sun

the planet has less friction at perihelion

Orbital Motion Review

Authored by Annie Montguire

Other Sciences

9th - 12th Grade

Used 43+ times

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56 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which planet in our solar system will have the fastest orbital speed?

Venus

Earth

Saturn

Mercury

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The tendency of a moving object to continue moving in a straight line or a stationary object to remain in place is called:

Orbital Speed

Gravity

Terminal Velocity

Inertia

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As mass increases, gravity ________________.

Increases

Decreases

Stays the same

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As distance decreases, gravity ___________________.

Increases

Decreases

Stays the same

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the factors which combine to to keep celestial bodies in orbit?

Air Resistance and Gravity

Gravity and Inertia

Inertia and orbital speed

Orbital speed and gravity

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What did Kepler discover about planets and their orbital speed?

Planets closest to the Sun will orbit with the fastest orbital speed.

Planets with the greatest mass will orbit the Sun with the fastest orbital speed.

Planets furthest from the Sun will orbit with the fastest orbital speed.

Planets with the least mass will orbit the Sun with the fastest orbital speed.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Kepler’s discoveries, planets orbit around the Sun:

in an oval shape.

in perfect circles.

in an ellipse.

in a rectangular shape.

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Orbital Motion Review

Which planet in our solar system will have the fastest orbital speed?

The tendency of a moving object to continue moving in a straight line or a stationary object to remain in place is called:

As mass increases, gravity ________________.

As distance decreases, gravity ___________________.

What are the factors which combine to to keep celestial bodies in orbit?

What did Kepler discover about planets and their orbital speed?

According to Kepler’s discoveries, planets orbit around the Sun:

The Earth is closest to the Sun during _______.

If it takes the object the same amount of time to move between each dot/letter, what is true about the area between points A, B and the Sun, and the area between points H, I and the Sun?

It takes an object 5 months to move from point A to point B. How long will it take the object to move from point G to point J if each purple/white "triangle" have the same areal?

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