Examlex
Spectra from neutral atoms compared with spectra from ionized atoms of the same element
Seventeenth Century
The century that spanned from January 1, 1601, to December 31, 1700, notable for significant cultural and political developments.
Henry Hudson
A 17th-century explorer who is best known for his explorations of present-day Canada and parts of the northeastern United States, including the river that now bears his name.
Northwest Passage
A sea route connecting the northern Atlantic and Pacific Oceans through the Arctic Ocean, along the northern coast of North America.
British Empire
The British Empire was a global empire marked by overseas colonization, dominion, and influence, making it one of the largest and most powerful empires in history.
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