vocab+facts
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| galaxy | a group of star clusters held together by gravity
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| milky way | our home galaxy
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| spectrum | a band of colors made when light is broken up
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| expansion redshift | the absorption lines that result in longer(redder) wavelengths from galaxies moving away from each other as space expands
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| big bang | the beginning moment when the universe was very hot and dense, resulting in a tremendous "explosion"
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| background radiation | radiation that is left over from the beginning moments of the universe and is coming from all directions of space
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| astronomers estime that our own galaxy may contain more than 200billion _____ and that the universe may have as many as 100billion _______ | stars; galaxies
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| Galaxies and stars formed as a result of the ___ ____ | big bang
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| _____ formed out of the nebula that formed the sun | Earth
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| What are the galaxy shapes? | spiral, elliptical, and irregular
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| What type of galaxy is the milky way? | spiral
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
moncheechee19
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