Stars
People
Galaxies
Solar stystem
Light
100
1.temperature 2.size 3.distance from earth
What is the three things that a stars brightness depend on?
100
He is known for the principle he first proposed in Concerning the coloured light of double stars in 1842. This principle is now known as the Doppler Effect. He hypothesised that the pitch of a sound would change if the source of the sound was moving.
who is Christian Doppler
100
The nearest galaxy is 80,000 light years away
how far away is the closest galaxy to earth?
200
blue/white = hot yellow = average temperature = sun red = cooler
What is the Heat of stars related to color ?
200
She discovered the comet of 1702. She also published a paper in 1712 on the conjunction of Jupiter and Saturn. she worked with her husband, Gottfried Kirch in making calendars and ephemerides (tables showing positions of the planets, Sun, and Moon).
who is Maria Winkelmann Kirch
300
nebula
What is Large clouds of dust and gas which are the birth place of stars?
300
he was the first person to use a telescope to look at the heavens
who is Galileo Galilei
400
Red Giants
What is the stars gravity that can no longer hold them together they expand over 100 times original size?
400
this man calculated the amount of energy released in nuclear fusion with the famous equation E=mc2 Nuclear fusion - 2 atoms nucleus fuse to create new, heavier, atoms and release massive amounts of energy In the Sun - 4 hydrogen atoms fuse to make 1 helium atom. The helium then fuses with other helium atoms to make even heavier atoms and so forth until most atoms are created. The sun is like an element factory.
who is Albert Einstein
500
small collapsed star about the size of the earth
What is a dwarf star?
500
(1500) first to claim the sun was the center of our solar system He called it "heliocentric" or sun centered
who is Copernicus
500
The Milky Way Galaxy is about 100,000 light-years across
how far away is the milkey way
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