High Quality Content by WIKIPEDIA articles! Xi Puppis is a star of magnitude +3.34 in the constellation Puppis. It has the traditional name Asmidiske, a misplacement and mistransliteration of Aspidiske, the traditional name of ? Carinae. Asmidiske has a 13th magnitude companion at an apparent distance of 5".1 while it may also be a spectroscopic binary. A star is a massive, luminous ball of plasma held together by gravity. The star nearest to Earth is the Sun, which is the source of most of the energy on Earth. Other stars are visible in the night sky, when they are not outshone by the Sun.

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