sine qua non
The Helix Nebula, also known as The Helix or NGC 7293, is a large planetary nebula (PN) located in the constellation of Aquarius. Discovered by Karl Ludwig Harding, probably before 1824, this object is one of the closest of all the bright planetary nebulae to the Earth. The estimated distance is about 215 parsecs or 700 light-years. It is similar in appearance to the Ring Nebula, whose size, age, and physical characteristics are similar to the Dumbbell Nebula, varying only in its relative proximity and the appearance from the equatorial viewing angle. The Helix has often been referred to as the ‘Eye of God’ on the Internet, since about 2003. In the 2004 Battlestar Galactica TV series, there is a likely reference to the Helix Nebula, as ‘The Eye of Jupiter’.

The Helix Nebula, also known as The Helix or NGC 7293, is a large planetary nebula (PN) located in the constellation of Aquarius. Discovered by Karl Ludwig Harding, probably before 1824, this object is one of the closest of all the bright planetary nebulae to the Earth. The estimated distance is about 215 parsecs or 700 light-years. It is similar in appearance to the Ring Nebula, whose size, age, and physical characteristics are similar to the Dumbbell Nebula, varying only in its relative proximity and the appearance from the equatorial viewing angle. The Helix has often been referred to as the ‘Eye of God’ on the Internet, since about 2003. In the 2004 Battlestar Galactica TV series, there is a likely reference to the Helix Nebula, as ‘The Eye of Jupiter’.

Posted 3 years ago
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    The Helix Nebula, also known as The Helix or NGC 7293, is a large planetary nebula (PN) located in the constellation of...
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