Show:
the planets
other solar system objects
gravity
historical events in space travel
misc
100
Name the biggest planet and the smallest
Jupiter and Mercury
100
Name of the objects between Mars and Jupiter
Asteroid Belt
100
As the distance between two objects increases, the force of gravity______.
decreases
100
Year German V2 rockets reached the boundary of space
1942
100
Name of our galaxy
Milky Way
200
Name all of the planets from the Sun out
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
200
Name three dwarf planets
Ceres, Pluto, Charon Makemake, Eris
200
The acceleration due to gravity is
9.8 m/s/s.
200
Sputnik 1
1957
200
Name the type of our galaxy
spiral
300
What planet have we (as humans) actually set foot on?
NONE the Moon is not a planet.
300
These are actually not shooting stars but burn up as they go through our atmostphere.
meteors
300
What two forces need to be in balance for an object to orbit around another object?
The forward motion ( velocity) and the force of gravity from the object it is orbiting around.
300
First man on the Moon
1969
300
Do galaxies move?
Yes actually. Everything in space moves- rotates and revolves.
400
Name the gas giants
Saturn Neptune Jupiter Uranus
400
These are icy bodies that orbit the sun. Example is Halley's _____.
comet
400
The outer planets are farther from the Sun. This is why they orbit ____________ than the inner planets.
slower
400
Space shuttle program starts
1981
400
Why do planets orbit the Sun?
Their forward motion is balanced by the pull of gravity from the Sun.
500
All planets orbit around the Sun, which contains over ____ % of the mass of the solar system.
99
500
Long period comets come from the ________ cloud. Short period comets come from the ______ belt
OOrt Kuiper
500
Why don't all objects, like a feather and a marble, fall at the same speed, if the acceleration due to gravity is the same for all objects?
air resistance varies on different objects.
500
Hubble space telescope launched into orbit
1990
500
What did Neil Armstrong say he siad when he stepped on the Moon and what does it sound like ( to the public)?
That's one small step for a man, one giant leap for mankind vs what we heard That's one small step for man, one giant leap for mankind