The Helix Nebula (also known as NGC 7293 or Caldwell 63) is a planetary nebula (PN) located in the constellation Aquarius. Discovered by Karl Ludwig Harding , most likely before 1824, this object is one of the closest of all the bright planetary nebulae to Earth. [ 3 ]

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Gene ID: 7293, updated on 8-Feb-2025. The protein encoded by this gene is a member of the TNF-receptor superfamily. This receptor has been shown to activate NF-kappaB through its interaction with adaptor proteins TRAF2 and TRAF5.

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2021年9月23日 · The Helix Nebula (NGC 7293) is a planetary nebula located 650 light years from Earth in the constellation Aquarius. Nicknamed the Eye of God, it is one of the brightest and nearest planetary nebulae to Earth.

2012年5月16日 · NGC 7293, better known as the Helix nebula, displays its ultraviolet glow courtesy of NASA's GALEX. The Helix is the nearest example of a planetary nebula, which is the eventual fate of a star, like our own Sun, as it approaches the end of its life.

2008年3月23日 · Named for its resemblance to a coiling spiral seen face on, the Helix Nebula (NGC 7293) is a challenging stargazing target that has a more complex three-dimensional structure than expected. Now, the nebula has a new portrait, created by the penetrating infrared gaze of NASA's Spitzer Space Telescope.

Explanation: A mere seven hundred light years from Earth, toward the constellation Aquarius, a sun-like star is dying. Its last few thousand years have produced the Helix Nebula (NGC 7293), a well studied and nearby example of a Planetary Nebula, …

In June to August this year, I had the good fortune to capture a full set of broadband and narrowband data for the iconic Helix Nebula. After recently posting a colour image (LRGB), and then one whe...

2024年2月22日 · The Helix Nebula, designated as NGC 7293, is a complex planetary nebula with an extensive size. The nebula spans an estimated 2.87 light-years in diameter, showcasing the intricate structures formed during the final stages of a dying star's evolution.