Exploring Space
Radiation from Space
____________________________ Radiation
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Stars give off different ___________________ of light that make up the
___________________.
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_____________ travels as a transverse wave.
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Transverse waves have ___________________ and ___________________.
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The ___________________ from one crest to another is called the wavelength.
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The ___________________ is the number of wave crests that pass a certain point over
time.
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___________________ waves (longest)
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___________________
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Infrared
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Visible (______________________________________)
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___________________
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X-Rays
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___________________ Rays (shortest)
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Speed of light ≈ ___________________km/s
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All forms of light travel at the same ___________________.
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A Light Year (ly) is the distance it takes light to travel in ___________________
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About 9.46 trillion km/year
___________________ Telescopes
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Telescopes that use light to produce ___________________ images of objects.
___________________Telescopes
Refraction is the ___________________ of light as it passes through different materials.
 A ___________________ lens is used to bend the light and is magnified.
 ___________________ built the 1st refractor.
___________________ Telescopes
 Telescopes that use concave ___________________ to reflect the light from an
object to a focal point.
Hubble Space Telescope
 ___________________ in 1990
 Placed in high Earth orbit, free of atmospheric ___________________.
___________________ Telescopes
 Used to map the ___________________
 ___________________ objects
 Search for signs of intelligent life on other ___________________
Early Space Missions
Newton’s Laws of Motion
Law of ___________________
 An object in motion will stay in ___________________, an object at rest will stay
at rest.
 An outside force will change the ___________________.
Law of ___________________ (Force)
 An ___________________ mass creates a force.
 F = ma
 ___________________ (N) = kg • m/s2
Law of ___________________
 For every action (force), there is an equal action in the ___________________
direction.
Rocketry
___________________ Fueled Rockets
 Solid fueled rockets were invented by the___________________.
 ___________________to control
___________________ Fueled Rockets
 Dr. Robert ___________________ successfully launched the first liquid fueled
rocket in 1926.
 Rocketry is based on Newton’s ___________________of Motion
 Notable Rockets:
 ___________________Rocket of WWII
 USA ___________________Rocket for the Apollo Moon missions.
Artificial Satellites
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Satellites are objects that ___________________ around another large object.
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___________________was the 1st satellite to orbit Earth (Russia, 1957)
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Hundreds of satellites orbit the Earth today (weather, GPS, ___________________, etc.)
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Satellites ___________________ their orbit as a result of
______________________________________counteracting each other.
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“___________________ around Earth”
Space ___________________
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Satellites with ___________________ that travel away from the Earth.
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Some orbit distant objects while others ___________________ on surfaces.
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___________________ Space Probes:
 Mars:
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Vikings I & II ___________________
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Mariner Program ___________________
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Mars Pathfinder w/ ___________________
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Spirit & Opportunity ___________________
 Venus:
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Venera program ___________________
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Magellan Program
 ___________________Planets & Objects
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Voyagers I & II
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Galileo ___________________
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Cassini-Huygens ___________________
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New Horizons ___________________
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Stardust probe ___________________
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NEAR-Shoemaker ___________________
___________________ Space Missions
Space Shuttle Program
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A set of ___________________, Earth orbiting spacecrafts by NASA.
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First launch in 1981 ___________________
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Other space shuttles include:
 ___________________
 ___________________
 ___________________
 ___________________
Challenger Disaster
 Shuttle blew apart 73 seconds into its mission. ___________________
Columbia Disaster
 Shuttle broke apart during re-entry to the Earth’s atmosphere 16 minutes before
landing
___________________
 The shuttles were to be ___________________ in 2010 to prepare for missions to
the moon.
Space Stations
U.S. Skylab ___________________.
 U.S. only ___________________ attempt at building a space station.
 Study the effects of ___________________in space.
 ___________________into the Indian Ocean in 1979
Mir ___________________
 Russia’s 7th ___________________
 Only supposed to last ___________________ years.
 ___________________in 2001 into the Pacific Ocean
International Space Station ___________________
 Construction began in space in ___________________
 ___________________countries involved
 ___________________ 7 crew members for ___________________ months