Misc
Gravitational pull
The gravity on planets & the moon
Moon
Natural satellite of planets
Tool that uses lenses or mirrors to observe distant objects
Terrestrial Planets
First four planets, rocky exterior
Tides
Rise & fall of oceans due to the gravitational pull of moon and sun
Earth's Tilt
23.5° -- causes warmer & cooler climates, creating seasons
Waxing
Changes from all dark to all light -- light is on the right
Satellites
An object that orbits around another object
Gas Giants
Last four planets, made of gas
Neap Tide
90° -- less extreme tides
Rotation
Earth's spin on axis (24 hours), creates night and day
Waning
Changes from all light to all dark -- light is on the left
Space Race
Rivalry between US & USSR to be the first in SPACE FLIGHT
Rocks that orbit the sun and are larger than meteoroids
Spring Tide
Straight line -- more extreme tides
Revolution/orbit
Earth's path around the sun, one year
Gibbous
Sputnik 1
First man-made object launched into space in 1957 by USSR
Meteoroids
Pieces of broken asteroids, moons, and comets
John Glenn
First American to Orbit the Earth in 1962
Apollo 11
First SUCCESSFUL mission to send people to the moon
Crescent
Less than half lit
International Space Station (ISS)
Space station launched in 1998 by 5 different space programs
Asteroid Belt
separates terrestrial planets and gas giants
Neil Armstrong
First person on the Moon in 1969 (US)