Solar System

Everything revolves around the ______ in the heliocentric theory.

• moon

• earth

• sun

• mars

Who introduce the heliocentric model?

• Ptlolemy

• Copernicus

• Kepler

• Galileo

What did Kepler discover that helped solidify the the heliocentric model?

• orbits are in the shape of an ellipse

• orbits are in the shape of a sphere

• orbits are in the shape of a circle

What did Galileo find that solidified the understanding of the helopcentric model?

• Venus had 3 moons and Mars went through phases

• Jupiter went through phases and Mars has 2 moons

• Jupiter has 4 moons and Venus went through phases.

What process produces energy from the sun?

• heat fusion

• nuclear fusion

• reactive energy

• atomic fusion

What layer is the image of the sun?

• corona

• convection zone

• photosphere

• chromosphere

Put the layers of the sun in order from core to space.

• core, radiation zone, convection zone, photosphere, chromosphere corona

• core, convection zone, photosphere, radiation zone, chromosphere, corona

• core, convention zone, radiation zone, photosphere, chromosphere, corona

What part of the sun is seen during an ecplise?

• core

• chromosphere

• corona

Sunspots are

• hot areas

• cool gas

• eruption of gas

Prominence is

• cool gas

• loop of gas linking sunspots

• eruption of gas