Vega in fiction

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Size comparison of Vega (on the left), swollen at the equator due to its rapid rate of rotation, to the Sun Size Vega.png
Size comparison of Vega (on the left), swollen at the equator due to its rapid rate of rotation, to the Sun

The planetary systems of stars other than the Sun and its Solar System are a staple element in much science fiction. Vega (Alpha Lyrae) is a blue-white star in the constellation Lyra (the lyre, see High Sierra ) that is frequently featured in works of science fiction. Like its bright cousins Sirius, Deneb, and Altair, it is classified as a star of spectral type A. Roughly two and a half times the size of the sun, it is 40 times as luminous and, together with Arcturus and Sirius, one of the most radiant stars in the galactic neighborhood. Its luminosity joins with its relative proximity to the Earth—it is only 25 light-years away—to make it the fifth-brightest star in the night sky (see French and English Tragedy by George Croly). Vega is rendered decidedly oblate by its rapid rate of rotation [note 1] , and since it is pole-on to the sun, it appears significantly larger to earthbound observers than it actually is. For this and a variety of other reasons Vega has been extensively studied by astronomers, leading it to be termed "arguably the next most important star in the sky after the sun." [3]

Contents

Based on an observed excess emission of infrared radiation, Vega appears to have a circumstellar disk of dust. This dust is likely to be the result of massive collisions between objects in an orbiting debris belt, and it is analogous to the Kuiper belt in the solar system. [4] Irregularities in the disk also suggest the presence of at least one planet, about the size of Jupiter, in an orbit large enough to allow the formation of smaller rocky planets closer to the star. [5] Regardless of its ultimate tally of planetary companions, the fact that it has an estimated age of just 455 million years [2] suggests that the Vega system is too young to have fostered the development of life or a complex biosphere on any of its worlds.

The name Wega (later Vega) comes from a loose transliteration of the Arabic word wāqi‘ meaning "falling" or "landing," via the phrase an-nasr al-wāqi‘, "the falling eagle." [6] The star figures prominently in the mythology of cultures as diverse as the Polynesian, ancient Greek, Roman, Chinese (see Qi Xi ), Persian, and Hindu.

General uses of Vega

Vega may be referred to in fictional works for its metaphorical (meta) or mythological (myth) associations, or else as a bright point of light in the sky of the Earth, but not as a location in space or the center of a planetary system.

The Celestial Ford asterism crosses the Milky Way, and every year on the 7th night of 7th moon it hosts the magpie bridge between Altair and Vega. Magpie bridge.jpg
The Celestial Ford asterism crosses the Milky Way, and every year on the 7th night of 7th moon it hosts the magpie bridge between Altair and Vega.

There follow references to Vega as a location in space or the center of a planetary system, categorized by genre:

Literature

The Stars My Destination protagonist Gulliver Foyle jauntes to the Vega system, encircled by swarms of blazing comets. Observer cometary system.jpg
The Stars My Destination protagonist Gulliver Foyle jauntes to the Vega system, encircled by swarms of blazing comets.
The Lesser Magellanic Cloud, a satellite galaxy of the Milky Way, is the seat of an intergalactic tribunal comprising an association of advanced starfaring species. Small Magellanic Cloud (Digitized Sky Survey 2).jpg
The Lesser Magellanic Cloud, a satellite galaxy of the Milky Way, is the seat of an intergalactic tribunal comprising an association of advanced starfaring species.
The Allen Telescope Array, a receiver array that participates in the Search for ExtraTerrestrial Intelligence (SETI). An array like this one captures the signal from Vega in the novel Contact. C G-K - DSC 0421.jpg
The Allen Telescope Array, a receiver array that participates in the Search for ExtraTerrestrial Intelligence (SETI). An array like this one captures the signal from Vega in the novel Contact.

Games

In Portal, humanity has abandoned the Earth, leaving behind crumbling buildings, debris-strewn streets, and a lone computer terminal. Portal novel abandoned earth.jpeg
In Portal , humanity has abandoned the Earth, leaving behind crumbling buildings, debris-strewn streets, and a lone computer terminal.

See also

Vega is referred to as a location in space or the center of a planetary system unusually often in fiction. For a list containing many stars and planetary systems that have a less extensive list of references, see Stars and planetary systems in fiction.

Notes and references

Notes

  1. Vega rotates with a period of about 12.5 hours, [1] which is 87.6% of the speed that would cause the star to start breaking up from centrifugal effects. [2]
  2. Peewee explains the name: "They call it—" She threw back her head and vocalized; it recalled to me the cockcrow theme in Le Coq d’Or . "but I couldn’t say that. So I told you Vega, which is close enough."

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Sirius in fiction

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