Show:
who
what
sun
when
tidbits
100
invented the telescope
Who is Isaac Newton
100
a system where the planets revolve around the Earth
What is geocentric?
100
process where hydrogen atoms join together to make helium to produce the sun's energy
What is nuclear fusion?
100
these people called the planets wandering stars
Who are the Greeks?
100
explosions of hydrogen gas from the sun's atmosphere
What is solar flare
200
discovered the geocentric theory
Who is Ptolemy?
200
system where the planets revolve around the sun
What is heliocentric?
200
link different parts of sunspot regions together
What is a solar prominence?
200
140 A.D.
What is the year Ptolemy observed the solar system
200
telescopes and space probes
What is equipment we can use to discover more about the solar system
300
was the first to use a telescope to make observations
Who is Galileo
300
shape like an oval
What is an ellipse?
300
features on the sun
What is sunspots, prominences, solar flares
300
1500s
What is Copernicus and the idea that the sun is at the center of the solar system
300
Galileo's observations
What is Jupiter having 4 moons and Venus having phases similar to Earth's moon
400
discovered the planet orbits are shaped like an ellipse
Who is Brahe and Kepler?
400
tendency of a moving object to continue in a straight line
What is inertia
400
layers of the sun's atmosphere
What is photosphere, chromosphere, and corona?
400
1665
What is Newton discovered inertia and gravity keep planets in orbit
400
can disrupt radio, telephone, TV, and possibly cause power outages
What is solar flares
500
discovered that inertia and gravity keep the planets in orbit
Who is Isaac Newton?
500
more to discover (3things)
What is comets, asteroids, more than 6 planets
500
produce auroras at the Earth's polar regions
What is solar wind?
500
late 1500s-1600
What is Brahe and Kepler discovered the planet orbits are ellipse shape
500
a planet would move in a straight line off into space
What would happen if the sun did not have gravity?