Linked from

The 18 pages that link to Orion Nebula, each with the reason it gives.

• H II regionBroader topic: Its central Trapezium stars illuminate a well-studied H II region.

• Emission nebulaBroader topic: It is a nearby example of an H II region shaped by newly formed massive stars.

• Messier catalogBroader topic: M42 is a conspicuous nebula and one of the catalog’s most observed entries.

• NebulaBroader topic: It is a prominent example of an H II region with active star formation.

• New General CatalogueBroader topic: Its entry, NGC 1976, exemplifies a nebula whose physical nature is now well established.

• O-type starBroader topic: Its Trapezium Cluster includes the O-type star Theta¹ Orionis C.

• OrionBroader topic: It appears below Orion’s Belt as a faint patch visible to the unaided eye.

• Messier objectBroader topic: Its bright gas and young stars exemplify the catalogue’s nebula entries.

• Orion ArmBroader topic: It is a nearby, prominent site of star formation in the arm.

• Margaret Lindsay HugginsBroader topic: Spectroscopic observations of this nebula helped establish that some nebulae emit light as glowing gas.