Our Sun Our Sun pt. 2 Life Cycle of Stars Life Cycle of Stars pt. 2 Galaxies and the Universe
100
How many Earths fit inside the sun?
What is 1.3
100
What are the percentages of Hydrogen and Helium that make up the sun's mass?
What is 71% and 27%
100
A ______ is a term for swirling clouds of hydrogen gas out of which stars are born.
What is a nebula
100
A red giant is a dying star in the last stages of stellar evolution. In only a few billion years, our sun will what?
What is turn into a red giant star expand and engulf the inner planets including Earth
200
What is the Big bang theory?
How old is the universe according to the big bang theory?
What is the leading explanation about how the universe began, and 13.8 billion years old
200
The density of the sun is similar to what planet
What is Jupiter
200
_________ are found in the granulation in the Photosphere?
What is Sunspots
200
A main sequence star is in the state of what?
What is Hydrostatic Equilibrium
400
What is an Elliptical galaxy?
What's the shape of an irregular galaxy
What is 3D, without much structure and their stars ate some what in orbit around the center and irregular galaxies have no particular shape.
300
About ______ to ______ of the incoming energy from the sun reaches the Earth
What is 50% and 70%
300
A loop of glowing hydrogen extending outward for the surface of the sun is called what?
What is a solar prominence
600
How are irregular galaxies formed?
Where is our solar system located at?
What is by two galaxies colliding and On the edge of a spiral arm of our milky way galaxy
400
The light we see from the sun comes from_____
What is the photosphere
400
The ________ is an aura of plasma that surround the sun
What is The Corona
800
What is at the very center of our galaxy?
Why is a black hole bright?
What is a black hole and because there are many stars surrounding it
500
This rosy red part of the sun is only apparent through what?
What is the chromosphere
500
Where does the primary source of the sun come from?
What is from fusing hydrogen atoms into helium atoms
Name of the American astronomer, that played a crucial role in establishing the fields of extragalactic astronomy.
What is Edwin Hubble and a galaxy where the stars and gas clouds are concentrated mainly in one or more spiral arms.






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