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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 lob...
The Frosty Leo Nebula, formally designated IRAS 09371+1212, is a bipolar protoplanetary nebula located in the constellation Leo. It is distinguished by its unusually high concentration of crystalline water-ice and mineral dust in its outflows. The nebula represents a short-lived evolutionary phase w...
Why this score
Rare crystalline water ice, unusual bipolar structure, and memorable name provide high scientific distinction despite limited accessibility.
Scoring methodology
Michael Rowan-Robinson is a prominent British astronomer and an emeritus professor of astrophysics at Imperial College London. His distinguished career is largely defined by his extensive research in infrared and submillimeter astronomy, particularly regarding the evolution of galaxies and cosmic du...
Why this score
Influential infrared survey science, galaxy evolution research, and cosmology leadership support a strong international reputation.
Scoring methodology
IRAS 22036+5306 is a protoplanetary nebula located in the constellation Cassiopeia. Identified through infrared astronomical surveys, it is characterized by a distinct bipolar outflow. The nebula exhibits point-symmetric structures and high-velocity molecular jets as it transitions from an asymptoti...
IRAS 13208-6020 is a protoplanetary nebula located in the constellation Centaurus. Observations with the Hubble Space Telescope revealed intricate, looped structures around the object, providing a visible record of material being expelled during ongoing stellar mass loss. It is therefore studied as...
IRAS 23304+6147 is a protoplanetary nebula in the constellation Cassiopeia. It is notable for showing the rare 21-micron infrared dust feature, an emission feature associated with unusual carbon-rich material surrounding an evolved star. The object is of interest in astronomical studies of stellar m...
IRAS 20068+4051 is a protoplanetary nebula in the constellation Cygnus, identified in infrared observations by the Infrared Astronomical Satellite, commonly abbreviated IRAS. It has a bipolar morphology, with material arranged in two opposing lobes, and an asymmetric envelope of dust. The object rep...
Frequently Asked Questions
What leads the Iras ranking?
M1-92 currently leads the Iras results with a displayed score of 7.84/10. This is an editorial ranking result for the items included on this page, not a universal verdict for every use case.
How should I read the score and confidence label?
The 0 to 10 score is Lunoo's ranking judgment. Strong confidence means 10 or more recorded comparison checks, some means 2 to 9, and provisional means fewer than 2.
What supports this ranking?
Lunoo combines category fit, feature coverage, pricing and value signals, public reception, recency, and peer comparisons. Public source links support factual item details when available, but they are not required for membership in this 7-item ranking.
Can I compare the leading results for Iras?
Yes. The comparison links put adjacent leaders side by side so you can inspect differences that one ranking score cannot capture.
