Which form of Kepler’s third law can you use to relate the period T and radius r of a planet in our solar system as long as the unit year is used for the period and astronomical unit is used for the radius?(1 point)
Responses
T2=r3
cap t squared is equal to r cubed
T3=r2
cap t cubed is equal to r squared
T=r2
cap t is equal to r squared
T2=r
5 answers
cap t squared is equal to r
Which are features of Copernicus's model of the solar system? Select the three correct answers.(2 points)
Responses
The planets move in perfect circles.
The planets move in perfect circles.
Earth is fixed to a crystalline sphere.
Earth is fixed to a crystalline sphere.
The stars are fixed to an outer sphere.
The stars are fixed to an outer sphere.
The outer planets move in epicycles.
The outer planets move in epicycles.
The Sun is at the center.
The Sun is at the center.
All planets orbit the Sun at the same speed.
Responses
The planets move in perfect circles.
The planets move in perfect circles.
Earth is fixed to a crystalline sphere.
Earth is fixed to a crystalline sphere.
The stars are fixed to an outer sphere.
The stars are fixed to an outer sphere.
The outer planets move in epicycles.
The outer planets move in epicycles.
The Sun is at the center.
The Sun is at the center.
All planets orbit the Sun at the same speed.
The planets move in perfect circles.
The Sun is at the center.
The stars are fixed to an outer sphere.
The Sun is at the center.
The stars are fixed to an outer sphere.
An asteroid approaches Jupiter and is slung around into a new trajectory across the solar system. Which of the following are possible? Select the three correct answers.(2 points)
Responses
The asteroid enters a stable elliptical orbit around the sun.
The asteroid enters a stable elliptical orbit around the sun.
The asteroid continues out of the solar system.
The asteroid continues out of the solar system.
The asteroid slows down as it passes around Jupiter.
The asteroid slows down as it passes around Jupiter.
The asteroid adopts an unusual orbit around the sun, such as an egg shape.
The asteroid adopts an unusual orbit around the sun, such as an egg shape.
The asteroid spirals into the sun.
The asteroid spirals into the sun.
The asteroid falls into an irregular orbit around Jupiter.
The asteroid falls into an irregular orbit around Jupiter.
Responses
The asteroid enters a stable elliptical orbit around the sun.
The asteroid enters a stable elliptical orbit around the sun.
The asteroid continues out of the solar system.
The asteroid continues out of the solar system.
The asteroid slows down as it passes around Jupiter.
The asteroid slows down as it passes around Jupiter.
The asteroid adopts an unusual orbit around the sun, such as an egg shape.
The asteroid adopts an unusual orbit around the sun, such as an egg shape.
The asteroid spirals into the sun.
The asteroid spirals into the sun.
The asteroid falls into an irregular orbit around Jupiter.
The asteroid falls into an irregular orbit around Jupiter.
The asteroid enters a stable elliptical orbit around the sun.
The asteroid continues out of the solar system.
The asteroid adopts an unusual orbit around the sun, such as an egg shape.
The asteroid continues out of the solar system.
The asteroid adopts an unusual orbit around the sun, such as an egg shape.