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15/15
Which planetary model allows a scientist to predict the exact positions of the planets in the night sky over many years?
The planets' orbits are ellipses in a heliocentric model. Try
The planets' orbits are circles in a geocentric model.
The planets' orbits are circles in a heliocentric model.
The planets' orbits are ellipses in a geocentric model.
The diagram below represents a simple geocentric model. Which object is represented by the letter X?
Sun Try
Moon
Polaris
Earth Try 2
What is the sun mostly made out of?
water
helium
iron
hydrogen Try
What is the hottest layer of the sun?
Corona
Convection Zone
Core Try
Radiation Zone
What are the three layers of the sun's interior?
The Core, Photosphere and Radiation Zone
Chromosphere, Corona and the Core
Convection Zone, Radiation Zone and the Core Try
Convection Zone, Corona and the Core
Where is energy produced in the sun?
Core Try
Radiation and Convection Zones
Corona
Atmosphere
What are solar flares?
Eruptions Try
Mountains
Waves
Wholes
What happens during nuclear fusion?
Hydrogen and oxygen join to create water
Hydrogen atoms join to create helium Try
Oxygen is formed
Solar flares
What causes sunspots?
Cooler areas of gas on the Sun Try
Eruptions
Hot areas on the Sun's surface
Solar wind
What layer of the sun has a reddish glow during a total eclipse?
Chromosphere Try
Photosphere
Corona
Convection Zone
Where does nuclear fusion occur?
The Core Try
Space
Radiation Zone
Photosphere
What comes from solar flares?
Prominences
Sunspots
Magnetic energy Try
Corona
A stream of particles that extends outward from the sun's corona is called?
Prominence
Sunspot
Solar wind Try
Chromosphere
What part of the sun is #6?
Convection zone
Solar flare
Corona Try
Photosphere
What are brief bursts of energy in the photosphere called?
Solar flares Try
Granules
Solar wind
Sunspots
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