Terms in this set (65)
Causes light rays to diverge
Causes light rays to converge
Causes light rays to converge
Causes light rays to diverge
What year was the telescope first developed in?
Who developed the first telescope?
Who was the first person to use the telescope to study astronomy?
What was the name of Galileo's book?
What is a telescope?
An instrument that collects and focuses light and other forms of electromagnetic radiation to make a distant object appear larger.
What is electromagnetic radiation?
Energy that travels through space in waves from the sun.
What are the two types of telescopes?
Optical and Non- optical
Use lenses or mirrors to collect and focus visible light.
An optical telescope that uses convex and concave light. Small lens focuses and magnifies.
An optical telescope that uses curved mirror.
Collects and focuses other types of electromagnetic radiation (radio, infrared, UV, X-ray and gamma).
What contributions did William Herschel make to astronomy?
He discovered Uranus, 2 moons of Satturn, 2 moons of Uranus, Binary stars orbit each other, solar system moving through space (and which direction!), Coined the term asteroid, made over 400 telescopes, discovered infrared radiation.
Who was Caroline Herschel?
Willaim's sister who was his constant observing copanian.
What did Caroline Herschel contribute to astronomy?
Discovered 8 comets, published catologue of stars in 1798, received royal astronomical society gold metal in 1828.
What is an observatory?
Building that contains one or more telescopes.
Why are many telescopes located on mountains or in space?
Less light pollution and less filtering of atmosphere.
Hubble Space Telescope
A reflecting telescope that detects visible light, UV, and infrared (orbiting earth for over 19 years).
Chandra X- ray Observatory
A reflecting telescope launched in 2003 that detects X-rays.
Spitzer Space Telescope
A reflecting telescope launched in 2003 that detects infrared.
What is a rocket?
A device that expels gas in one direction in order to move in the opposite direction.
How do rockets work?
Newton's 3rd Law- For every action there is an equal but oppsite reaction. A rocket is propelled forward (reaction) as gas is propelled backward out of the rocket's engine (action). Propelled gas creates the thrust (force) needed to move the rocket forward.
What is a mutistage rocket?
It is made up of smaller rockets/ stages stacked on top of one another. Each is fired at different times and as the stage empties it drops.
What is the benefit of a multistage rocket?
Very fuel efficient as weight of rocket is reduced as fuel is used and chambers empty and drop.
What was the Space Race?
A competition in the 1950's between the Soviet Union and the United States in the exploration of space.
Spuntik 1 (Russian)
Measured density and temperature of upper atmosphere of Earth.
What is a satellite?
Any object that orbits or revolves around other objects in space.
Carried a dog named Laika. The dog was launched to study effects of space travel on a living organism.
The satelite was launched by the U.S. It measured temperature, cosmic rays, and meteors and it discovered the Van Allen radiation belts that surround Earth.
When was the government agency in charge of Space Program U.S. established?
What was the name of the agency established in 1958?
N.A.S.A (National, Aeronautics, Space, Administration).
A Russian cosmonaut became the first man in space, he orbited once around the Earth aboard Vostok 1.
First American in space aboard Freedom 7 which was part of the Mercury space program.
What was the purpose of the Mercury space program?
To learn how to live and work in space.
Was the first American to orbit Earth aboard the Friendship 7 which orbited Earth 3 times in a space capsule (small cap on end of rocket) and then returned to surface.
The first woman in space (Russian).
Established in 1961 to put an astronaut on the moon.
Who launched the Apollo program?
John F. Kennedy
Contained unpiloted spacecraftsome of which landed on the moon from 1964- 1972. U.S> Surveyor was the first spacecraft to land on the moon.
When did man first walk on the moon?
July 20, 1969
Where did the first spacecraft to land on the moon land?
Sea of Tranquility
What Apollo mission was it the first to land on the moon?
Space Mission 11
What was the name of the spacecraft that acutally landed on the moon?
What 2 astronauts were the first to land on the moon?
Neil Armstrong was the first man and Buz Aldrin also landed on the moon.
What was the name of the other astronaut in Apollo 11?
What did the first man to land on the moon say?
Neil Armstrong said, "One small step for man, one giant leap for mankind."
What is a space shuttle?
A spacecraft that can carry a crew into space, return to Earth and be reused
What are three space shuttles?
Discovery, Columbia, Challenger
What have space shuttle missions done?
Taken satellites into orbit, repaired damaged satellites, carried astronauts and supplies into space station.
What is a space station?
A large artificial satellite where astronauts can live and work for long periods of time.
What was the name of the Russian Space Station?
What is a space probe?
Unmanned spacecraft that carries scientific instruments that collect data and send it back to earth.
How do they work?
Solar panels, Communication that send and receives signals, Scientific instrumentation, Orbiters or landers.
What did Voyagers 1 and 2 space probes do?
Studied plantes in our solar system.
What did Magellan space probe do?
What did Galileo space probe do?
Studied Jupiter and its moons
What did the Ulysses space probe do?
It studied the sun.
What are the three space rovers in space?
Spirit, Opportunity, and Curiosity.
Discovered ice at poles of moons.
Just reached pluto.
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