Examlex
Examine the figure below.On a typical H-R diagram,what are the stars that have the hottest surface temperatures and the smallest radii?
Northern Society
A secret revolutionary organization in the early 19th century in Russia, which aimed at overthrowing the autocracy and implementing constitutional reforms.
Materialism
a philosophical position that holds physical matter as the only or fundamental reality and discounts any independent existence of mental states or consciousness.
Idealism
A philosophy that emphasizes the primacy of ideas and ideals in interpreting experience and guiding actions, often contrasted with materialism.
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