NASAのインスタグラム(nasa) - 7月5日 06時45分

Extraterrestrial Fireworks on this Independence Day! Reminiscent of a fireworks celebration, this Hubble Space Telescope image of a cosmic explosion that is quite similar to fireworks on Earth. In the upper right corner of the image, the Small Magellanic Cloud is a delicate glowing structure ablaze in a multitude of lavenders and peach. Nearby, a massive star has exploded as a supernova and begun to dissipate its interior into a spectacular display of colorful filaments.

Determined to be only about 2,000 years old, young supernova remnants like this allow astronomers to examine material from the cores of massive stars directly. This in turn gives insight on how stars form, their composition and the chemical enrichment of the surrounding area. As well, young remnants are a great learning tool to better understand the physics of supernova explosions.

The Small Magellanic Cloud is a nearby dwarf galaxy to our own Milky Way. It is visible in the Southern Hemisphere, in the direction of the constellation Tucana, and lies roughly 210,000 light-years distant.

Image Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)/J. Green (University of Colorado, Boulder)

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