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Stars in our Galaxy
The Sun
Life Cycle of Stars
Galaxies and the Universe
Miscellaneous
100
It is a pattern of stars that is named as a group.
What is a constellation.
100
The core of the sun is composed of these two elements.
What is hydrogen and helium
100
Stars with high temperatures tend to have this effect on their absolute magnitudes
What is brighter.
100
These are three main types of galaxies
What are spiral, elliptical and irregular.
100
The brightness of a star is referred to as this.
What is absolute magnitude or apparent magnitude.
200
Is a large collection of stars, gas and dust held together by gravitation.
What is a galaxy
200
Areas of the sun's surface that appear dark due to the surrounding cooling area are called these.
What are sunspots.
200
Small stars that are hot but not bright are known as these.
What are white drawfs.
200
The Milky-Way is this type of galaxy.
What is spiral
200
It is an instrument that separates light into its component colors.
What is a spectroscope.
300
Modern astronomy divides the sky into this many constellations.
What is 88.
300
CMEs is an abbreviation for this.
What is coronal mass ejections.
300
Stars begin as a large cloud of gas and dust called this.
What is a nebula.
300
The milky way is this far away from the sun
What is 26,000 light years from its center
300
Apparent magnitude is measured by this.
What is the amount of how much light from a star is received on earth.
400
Ursa Major and Ursa Minor and other constellations in the northern sky circle around Polaris are known as this.
What is circumpolar constellations.
400
When gases near a sunspot sometimes brighten suddenly, shooting outward at high speed is called this.
What is a solar flare.
400
Stars shine because of this process.
What is fusion.
400
According to the big bang theory the universe began this long ago.
What is 13.7 billion years ago.
400
This is the name of the northern lights
What is aurora borealis.
500
Light travels about this amount in one year.
What is 9.5 trillion km or 300,00 km/s
500
These are the layers of the sun's atmosphere.
What is the photosphere, chromosphere, and the corona
500
These two options can occur to a star after supernova.
What is a neutron star or black hole
500
These are the leading theories as to how the universe formed
What is the steady state theory, the oscillating universe theory and the big bang theory.
500
This causes the wavelengths of light coming from stars and galaxies to be compressed or stretched.
What is the doppler shift.