NASA’s James Webb Space Telescope continues to revolutionize our view of the universe, this time with stunning images of the Lion Nebula (NGC 2392). Captured through the telescope’s NIRCam and MIRI instruments, the images reveal the intricate beauty formed by the remains of a dying star, currently in the white dwarf phase. This celestial event showcases a dense stellar core shedding its outer layers.
The Beauty of the Nebula
The nebula’s core radiates intensely, creating a striking visual known as a “bubble of ionized hydrogen gas.” Described by NASA, this bubble forms the “face” of the Lion, highlighted by expanding shells and rings that eradicate dust in their path. Meanwhile, the so-called lion’s “mane” is illuminated from within, offering a view into the star’s brilliant core.
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Though from our human perspective, the nebula’s evolution seems gradual, in astronomical terms, it undergoes rapid transformation. Over several thousand years, the gas and dust have taken their current form. According to NASA, this planetary nebula is estimated to completely disperse in about 10,000 years, marking a spectacular yet temporary cosmic phenomenon (via Kottke).
Source: thisiscolossal.com
Frequently asked questions
What instruments did the James Webb Telescope use to capture the Lion Nebula?
The James Webb Space Telescope used its NIRCam and MIRI instruments to capture images of the Lion Nebula.
What is happening to the star in the Lion Nebula?
The star in the Lion Nebula is in the white dwarf phase, shedding its outer layers as it creates formations like a bubble of ionized hydrogen gas.
How long is the Lion Nebula expected to last?
The Lion Nebula is estimated to completely disperse in about 10,000 years, marking a temporary yet spectacular cosmic phenomenon.
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