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M1-92

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description M1-92 Overview

M1-92, commonly called Minkowski's Footprint, is a bipolar protoplanetary nebula in the constellation Cygnus. It consists of material expelled by a star transitioning from the asymptotic giant branch toward the planetary-nebula stage, rather than debris from a planet-forming system. Two opposing lobes and a narrow central waist give it a strongly bipolar appearance. Observations also reveal structured outflows that record a relatively brief episode of stellar mass loss.

help M1-92 FAQ

What is the common name for the nebula M1-92?

M1-92 is widely known by astronomers as Minkowski's Footprint, named after the astronomer who first catalogued it, Rudolph Minkowski. The name stems from its unique visual shape, which remarkably resembles a giant celestial footprint.

Where is the M1-92 nebula located?

Minkowski's Footprint is located in the northern constellation of Cygnus. It sits thousands of light-years away from Earth.

What stage of stellar evolution does Minkowski's Footprint represent?

It is classified as a protoplanetary nebula, which is a very brief, transitional phase in a dying star's life. This stage occurs right after the red giant phase but just before the central star becomes hot enough to form a full planetary nebula.

What causes the distinctive corkscrew shape of M1-92?

The nebula features a bipolar structure with two distinct lobes of gas and dust that shoot outward in a corkscrew pattern. This shape is created by the dying central star emitting streams of material that interact with pre-existing density waves.

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