Definition of Struve, Otto in English:

Struve, Otto

Line breaks: Otto Struve
Pronunciation: /ˈstruːvə
 
/
( 1897–1963), Russian-born American astronomer. He was mainly interested in spectroscopic investigations into the composition, evolution, and rotation of stars, but his most important contribution was his discovery of the presence of ionized hydrogen in interstellar space (1938).

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Word of the day demoralize
Pronunciation: dɪˈmɒrəlʌɪz
verb
cause (someone) to lose confidence or hope