Who discovered the first planet outside the Solar System?

A. Wolszczan and Dale Frail

G. Cassini

E. Hubble

no such planets were discovered

Aleksander Wolszczan (born 29 April 1946 in Szczecinek, Poland) is a Polish astronomer. He is the co-discoverer of the first extrasolar planets and pulsar planets.

Brian Clift wikipedia → Aleksander Wolszczan

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351

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Which astronomical discovery was nicknamed 'Little Green Man'?

This is the aurora of Jupiter. What are the visible bright spots caused by?

volcanic peaks

atmospheric storms

Jupiter moons

multiple magnetic poles of Jupiter

This unique line of about 20 stars is known as ...

Who received the first Nobel Prize in physics in 1901?

Maria Skłodowska-Curie

Albert Einstein

Wilhelm Röntgen

Henri Becquerel