description N70 Superbubble Overview
N70, also known as DEM L 301, is a roughly circular superbubble nebula located in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. Its expansive shell of gas and dust was excavated by powerful stellar winds and the shockwaves from one or more past supernovae. The structure spans roughly 300 light-years in diameter and contains a population of hot, massive stars. It provides astronomers with a valuable environment for studying the effects of massive stellar evolution on the interstellar medium.
help N70 Superbubble FAQ
What is another name for the N70 Superbubble?
N70 is also catalogued as DEM L 301. It is a roughly circular superbubble nebula in the Large Magellanic Cloud.
Where is N70 located?
N70 lies in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. Its location makes it an example of a large stellar bubble outside our own galaxy.
How was the N70 Superbubble formed?
Powerful stellar winds excavated its shell of gas and dust, and shockwaves from one or more past supernovae contributed to the structure. The result is a large bubble-like cavity rather than a small, isolated cloud.
What makes N70 a superbubble instead of an ordinary nebula?
A superbubble is an expansive shell created by combined stellar activity, including winds and supernova shocks. N70's roughly circular gas-and-dust shell and its DEM L 301 designation identify it as this type of structure.
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