description Bubble Nebula Overview
The Bubble Nebula, formally NGC 7635, is an emission nebula located within the Cassiopeia constellation. It's notable for its distinctive bubble-like structure created by the energetic output of the star BD+60 2522. Discovered by William Herschel in 1787, it’s a region of ionized hydrogen gas (HII) studied by astronomers and those interested in stellar evolution and planetary nebula formation.
help Bubble Nebula FAQ
What is the scientific designation for the Bubble Nebula?
The Bubble Nebula is officially cataloged as NGC 7635 in astronomy. It is an emission nebula, specifically an H II region, located in the northern constellation of Cassiopeia.
How was the bubble shape in the Bubble Nebula formed?
The distinctive bubble shape is created by fierce stellar winds emanating from a massive central star known as BD+60 2522. This giant star continuously blows out glowing gas, forming a massive shell of plasma as it interacts with surrounding material.
Who discovered the Bubble Nebula?
The Bubble Nebula was discovered by the renowned German-British astronomer William Herschel in 1787. Herschel famously discovered the planet Uranus just a few years prior, in 1781.
How far away is the Bubble Nebula from Earth?
The Bubble Nebula is estimated to be located roughly 7,000 to 11,000 light-years away from our solar system. Despite this vast distance, modern telescopes like the Hubble Space Telescope have captured incredibly detailed images of its structure.
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