Early Astronomers
Telescopes
Constellations
Vocab WOW
Twinkle, Twinkle, Little Star!
100
Theory: Earth was the Center of the Universe
Who is Ptolemy
100
This telescope gathers MORE light.
What is the REFLECTING TELESCOPE?
100
A region of the sky.
What is a constellation?
100
The imaginary point above the observer's head.
What is the ZENITH?
100
An angle between an object in the sky and the horizon.
What is ALTITUDE?
200
Theory: Sun is the center of the universe
Who is Copernicus?
200
Scientists put telescopes in ____________ to avoid interference from Earth's atmosphere.
What is space?
200
Each color on this spectrum is a different ________________.
What is a WAVELENGTH?
200
Gamma rays are found on this spectrum.
What is the ELECTROMAGNETIC SPECTRUM?
200
The line where the sky and the Earth appear to meet.
What is HORIZON?
300
Theory: Planets orbited sun in elliptical paths.
Who is Kepler?
300
This causes starlight to shimmer and blur and twinkle.
What is Earth's atmosphere?
300
Hubble saw that galaxies were moving apart from each other.
What is REDSHIFT?
300
Time it takes the Earth to go around the Sun.
What is a YEAR?
300
Proved that there were MANY GALAXIES.
Who is Edwin Hubble?
400
Theory: Used the first telescope to discover craters on the moon, phases of Venus, 4 moons on Jupiter.
Who is Galileo?
400
Uses a SET OF LENSES to focus light.
What is a REFRACTING TELESCOPE?
400
This great hunter was put in the sky after he was killed by a scorpion.
Who is ORION?
400
Time it takes for the moon to go around the Earth.
What is a MONTH?
400
Showed that gravity keeps planets in orbits.
Who is Newton?
500
Theory: Gravity kept the planets in their orbits around the Sun.
Who is Isaac Newton?
500
Edwin __________ noticed that galaxies were moving away from each other with this telescope.
What is the HUBBLE TELESCOPE?
500
The electromagnetic spectrum is made up of these.
What are ALL OF THE WAVELENGTHS OF ELECTROMAGNETIC RADIATION?
500
Time it takes for the Earth to rotate ONCE on its axis.
What is a MONTH?
500
This type of radiation is blocked by the Earth's atmosphere.
What are X-rays?
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