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The 74 pages that link to Molecular cloud, each with the reason it gives.

• Stellar evolutionNarrower topic: Gravitational collapse within these clouds supplies the material for new stars.

• Interstellar mediumBroader topic: Gravitational collapse within these clouds produces most new stars.

• Radio astronomyRelated: Radio molecular lines reveal cold regions that visible light cannot readily penetrate.

• Initial mass functionNarrower topic: The distribution takes shape as collapsing material in molecular clouds forms stars.

• Virial theoremBroader topic: Its kinetic motions can be compared with gravitational energy to assess collapse or support.

• Brown dwarfRelated: Brown dwarfs can form when small regions of such clouds collapse under gravity.

• Starburst galaxyNarrower topic: Starbursts draw on dense molecular gas to build stars rapidly.

• Gravitational collapseNarrower topic: These clouds provide the large-scale environments in which star-forming collapse occurs.

• Jeans instabilityRelated: Its dense regions can cross the Jeans threshold and fragment.

• Stellar feedbackBroader topic: Feedback from young stars can disrupt their natal clouds and limit further star formation.

• Gravitational instabilityRelated: These clouds provide the gas in which pressure, turbulence, and gravity compete during star formation.

• Open clusterNarrower topic: An open cluster begins when stars form together within one of these clouds.

• Galaxy formation and evolutionBroader topic: These clouds are the immediate sites where much star formation begins.

• ProtostarNarrower topic: Protostars form in the densest regions of these clouds.

• Molecular hydrogenNarrower topic: Molecular hydrogen is the dominant molecule in the environments where molecular clouds collapse.

• Solar System formationNarrower topic: The Solar System’s precursor cloud was part of this star-forming environment.

• Orion NebulaNarrower topic: Gravitational collapse within molecular material produced the nebula’s young stars.

• Galactic diskBroader topic: Molecular clouds in the disk collapse to form stars.

• Massive starNarrower topic: Massive stars begin in collapsing regions of molecular clouds.

• Solar nebulaRelated: The Sun-forming region was part of a molecular cloud before it collapsed.

• Emission nebulaNarrower topic: Emission nebulae often form at the ionized edges of these larger star-forming clouds.

• Herbig–Haro objectRelated: Young stars and the material their jets strike are commonly embedded in these clouds.

• NebulaBroader topic: These clouds contain much of the dense gas from which stars form.

• Stellar associationRelated: The stars in an association typically emerge from the same molecular cloud.

• Star clusterRelated: Cluster stars often begin in the same molecular cloud.

• Herschel Space ObservatoryBroader topic: Herschel observations revealed the filamentary structure and compact cores within these clouds.

• Nebular hypothesisNarrower topic: The Solar System's proposed starting material was a region within such a cloud.

• StarNarrower topic: Gravitational collapse within these clouds begins the formation of stars.

• AstrochemistryBroader topic: These clouds are major reservoirs of molecules and sites of star formation.

• Carina NebulaRelated: Dense molecular material in the complex supplies the raw matter for new stars.

• Star formation rateRelated: These clouds provide the immediate raw material for most stars in nearby galaxies.

• Dark nebulaNarrower topic: Many dark nebulae are dense regions within larger molecular clouds.

• Interstellar chemistryBroader topic: Shielding and high density make molecular clouds major sites of complex molecular chemistry.

• Interstellar magnetic fieldBroader topic: Molecular clouds concentrate gas and provide a setting for magnetic support and star formation.

• O-type starNarrower topic: O-type stars begin when dense regions of molecular clouds collapse.

• Star formation efficiencyNarrower topic: It is the gas reservoir whose conversion into stars the efficiency measures.

• Eagle NebulaNarrower topic: The nebula’s star-forming material originates in dense molecular gas.

• Galactic tideRelated: Galactic tides can compete with a cloud’s self-gravity and affect its ability to collapse.

• Horsehead NebulaNarrower topic: The Horsehead is a dense feature inside a molecular cloud.

• Planetary-mass objectNarrower topic: Direct collapse within a cloud offers a star-like formation route for isolated low-mass objects.

• Pre-main-sequence starNarrower topic: Gravitationally collapsing regions within these clouds give rise to protostars and young stars.

• Bok globuleNarrower topic: Bok globules are compact structures associated with the broader molecular-cloud environment.

• Rogue planetNarrower topic: Some rogue planets may form directly as fragments within collapsing clouds.

• Perseus ArmRelated: Molecular clouds supply the cold gas from which the arm’s young stellar populations emerge.

• Pillars of CreationRelated: Dense molecular gas supplies material for stars forming in and around the columns.

• Substellar objectNarrower topic: The collapse of cloud fragments can produce isolated substellar objects.

• Astrophysical maserNarrower topic: Many astrophysical masers form in dense molecular material near young stars.

• Galactic planeBroader topic: Many molecular clouds occupy the plane, where new stars form.

• Orion ArmRelated: Such clouds trace active star-forming regions within the arm.

• Rosette NebulaNarrower topic: The Rosette’s star-forming material belongs to a larger molecular-cloud complex.