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The Sun, A Real Star
Learn about the important relationship between Earth and the sun. Find out about the layers of the sun and how Earth's magnetosphere acts like a giant handkerchief to protect us from all kinds of space weather. credit: NASA
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Word of the Day
lament
Definition:
A song or hymn of mourning composed or performed as a memorial to a dead person.
Synonyms:
coronach
,
dirge
,
requiem
,
threnody
Word of the Day
provided by
The Free Dictionary
Today in History
This Day in History
provided by
The Free Dictionary
Quiz Me
This is the 2nd most abundant element in the Earth's crust?
Carbon
Iron
Sodium
Silicon
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or View Results
This is the 2nd most abundant element in the Earth's crust?
Carbon (25.00%)
Iron (42.86%)
Sodium (7.14%)
Silicon (25.00%)
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Incorrect answer
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