Beta Scorpii is a multiple star system in the southern zodiac constellation of Scorpius. It bore the traditional proper name of Acrab, though the International Astronomical Union now regards that name as applying only to the β Scorpii Aa component.
Image of Scorpius and the Milky Way with β Scorpii in the top right corner
Scorpius is a zodiac constellation located in the Southern celestial hemisphere, where it sits near the center of the Milky Way, between Libra to the west and Sagittarius to the east. Scorpius is an ancient constellation that pre-dates the Greeks; it is one of the 48 constellations identified by the Greek astronomer Ptolemy in the second century. Its old astronomical symbol is (♏︎).
The constellation Scorpius as it can be seen by naked eye (with constellation lines drawn in).
Scorpius and the Milky Way, with M4 and M80 visible near Antares, M6 and M7 just below centre, NGC 6124 at the top of the frame, and NGC 6334 just above centre.
The heart of Scorpius. M4 is visible near the left of center. Portions of the Rho Ophiuchi cloud complex are illuminated by Antares and the other neighboring stars.
Scorpius as depicted in Urania's Mirror, a set of constellation cards published in London c.1825.
