Astronomy Science Olympiad Master Practice Test

Question: 1 / 410

Which bright star is known as the "heart" of the Scorpius constellation?

Antares

Antares, often referred to as the "heart" of the Scorpius constellation, is a prominent red supergiant star located approximately 550 light-years away from Earth. Its name, derived from the Greek word meaning "rival of Ares" (or Mars), reflects its distinct reddish hue, which makes it easily identifiable in the night sky. Antares is not only one of the brightest stars in the night sky but also the 15th brightest overall, contributing significantly to the visual structure of the Scorpius constellation.

As part of the constellation, Antares serves as a crucial reference point for observers and is often used in navigational practices and star identification. Its position and luminosity establish it as a key component in the recognizable shape of Scorpius, which resembles a scorpion. The bright nature and unique color of Antares set it apart from other bright stars, contributing to its importance and nickname within the constellation.

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Betelgeuse

Castor

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