Statements (105)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:astronomy
|
| gptkbp:average_temperature |
1000 to 3000 K
1000 to 10,000 K |
| gptkbp:can |
protoplanetary disks
|
| gptkbp:can_be_found_in |
nebulae
the Orion Nebula |
| gptkbp:can_be_part_of_a |
binary system
star formation event |
| gptkbp:can_be_used_to |
outflows and jets
|
| gptkbp:can_collapse_into |
protostellar disk
|
| gptkbp:can_create |
multiple star systems
|
| gptkbp:can_detect |
radio telescopes
|
| gptkbp:can_lead_to |
massive stars
|
| gptkbp:can_vary_in_brightness_due_to |
instabilities
|
| gptkbp:created |
red giant
|
| gptkbp:emissions_standard |
outflows and jets
|
| gptkbp:eventually_becomes |
gptkb:main-sequence_star
|
| gptkbp:form |
gptkb:Atom
|
| gptkbp:formed |
gptkb:Atom
planetary systems |
| gptkbp:has_a_focus_on |
observational astronomy
|
| gptkbp:has_luminosity |
varies widely
|
| https://www.w3.org/2000/01/rdf-schema#label |
Protostar
|
| gptkbp:is_a |
intermediate stage in star formation
key component of the universe's structure young star |
| gptkbp:is_a_key_component_of |
star formation theory
|
| gptkbp:is_a_key_phase_in |
the life cycle of stars
the birth of stars. |
| gptkbp:is_a_phase_before |
nuclear fusion begins
|
| gptkbp:is_a_source_of |
energy output
|
| gptkbp:is_a_stage_before |
the T Tauri phase
|
| gptkbp:is_a_stage_in |
stellar evolution
|
| gptkbp:is_a_subject_of |
gptkb:exoplanet
theoretical models |
| gptkbp:is_affected_by |
magnetic fields
radiation pressure |
| gptkbp:is_associated_with |
gptkb:Herbig-Haro_objects
gptkb:starburst_galaxies molecular clouds |
| gptkbp:is_characterized_by |
strong stellar winds
high angular momentum accretion of material high density and temperature gradients |
| gptkbp:is_connected_to |
chemical processes in space
chemical enrichment of the universe stellar feedback mechanisms |
| gptkbp:is_critical_for |
planet formation
|
| gptkbp:is_described_as |
theoretical models
|
| gptkbp:is_essential_for |
galaxy formation
stellar evolution stellar formation processes |
| gptkbp:is_examined_in |
observational astronomy
|
| gptkbp:is_followed_by |
gptkb:main-sequence_star
|
| gptkbp:is_found_in |
star-forming regions
nebulae star-forming complexes galactic disks |
| gptkbp:is_influenced_by |
environmental factors
feedback mechanisms magnetic fields stellar winds radiation pressure |
| gptkbp:is_involved_in |
nuclear fusion processes
|
| gptkbp:is_linked_to |
galactic evolution
cosmic microwave background |
| gptkbp:is_located_in |
gptkb:interstellar_medium
|
| gptkbp:is_observed_in |
telescopes
infrared wavelengths infrared surveys star-forming regions of galaxies |
| gptkbp:is_often_associated_with |
massive star formation
stellar nurseries stellar jets |
| gptkbp:is_often_obscured_by |
dust and gas
|
| gptkbp:is_often_seen_in |
gptkb:starburst_galaxies
star-forming regions giant molecular clouds |
| gptkbp:is_part_of |
gptkb:the_Milky_Way_galaxy
gptkb:star cosmological models stellar nursery stellar evolution theory star formation process |
| gptkbp:is_recognized_by |
spectral lines
|
| gptkbp:is_related_to |
star clusters
stellar mass distribution |
| gptkbp:is_studied_for |
understanding dark matter
|
| gptkbp:is_studied_in |
gptkb:spectroscopy
gptkb:cosmology astrophysics computer simulations galactic evolution understanding star formation rates |
| gptkbp:is_subject_to |
gravitational collapse
|
| gptkbp:is_surrounded_by |
accretion disk
|
| gptkbp:is_typically_less_than |
1 million years old
|
| gptkbp:key |
understanding star lifecycle
|
| gptkbp:mass |
0.1 to 50 solar masses
|
| gptkbp:may_have_a_surrounding |
protoplanetary disk
|
| gptkbp:originated_in |
supernova progenitors
|
| gptkbp:preceded_by |
dense core
|
| gptkbp:research_focus |
gptkb:cosmology
|
| gptkbp:scientific_classification |
Class 0, Class I, Class II, Class III
|
| gptkbp:was_a_precursor_to |
gptkb:Dwarves
|