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  • Source:
    Astronomy. Jun2024, Vol. 52 Issue 6, p58-58. 1p. 1 Color Photograph.
  • Additional Information
    • Subject Terms:
      MARS rovers; GALE Crater (Mars)
    • Abstract:
      The article discusses the Spare Tyre Nebula (IC 5148), a planetary nebula located in the constellation Grus the Crane. The nebula was formed when a Sun-like star shed its outer layers towards the end of its life. The debris from the star now appears as clumps surrounded by a faint bluish halo. At the center of the nebula is a white dwarf, the hot core of the dying star, which emits ultraviolet light that excites the gas in the nebula. The Spare Tyre Nebula is expanding at a rapid rate of 112,000 mph (180,000 km/h), making it one of the fastest expanding planetary nebulae. The nebula was discovered by Australian amateur astronomer Walter Gale in 1894 and is named after its shape, resembling a spare tire. The spelling of "tyre" is derived from British English. [Extracted from the article]
    • Abstract:
      Copyright of Astronomy is the property of Firecrown Media and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)