Orbital Mechanics (w/ USM, EDP, Moon/Mars) 20/21

What keeps us from floating away into space?

• The farce of gravity

• The force of gravy

• The force of gravity

• The Force

What draws matter to other matter?

• The farce of gravity

• The force of gravy

• The force of gravity

• The Force

What is mass?

• Stuff

• Atoms

• Normal matter

• All this stuff

What are the four parts of the Universal Systems Model?

• Lather, rinse, repeat

• Input, Process, Output, Feedback

• Input, Process, Outfeed, Output

• Input, Proceed, Outfeed, Output

Escape velocity is...

• the speed of gravity

• the minimum speed needed to escape a planet's gravitational pull

• the minimum speed of gravy

• the minimum speed of gravity to escape the sun

The shape of an orbit looks more like _____ when the eccentricity is close to 1?

• a line

• abstract art

• a hyperbola

• an ellipse

A circle is a type of what?

• rhombus

• rectangle

• round thingy

• ellipse

A circle is to a(n) _______, as a square is to a rectangle.

• rectangle

• bus

• ellipse

• rhombus

Planets that are farther from the Sun than Earth take _________ time to orbit the Sun.

• less

• their own sweet

• more

• the same amount of

In the orbital mechanics lesson, I used a football analogy to compare a pass in football to traveling from Earth to Mars. In that analogy, what does the football represent?

• A spacecraft

• A frisbee

• A different football

• Its a football. You throw it.