Statements (53)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
galactic bulge
|
| gptkbp:contains |
gptkb:binary_stars
gptkb:neutron_stars gptkb:white_dwarfs gptkb:gasoline gptkb:Sagittarius_A* gptkb:RR_Lyrae_stars black holes stars dust novae black hole globular clusters open clusters red giant stars pulsars metal-rich stars stellar populations variable stars cataclysmic variables molecular clouds X-ray sources blue straggler stars planetary nebulae old stars intermediate-age stars microlensing events metal-poor stars high-velocity stars star-forming regions (in central molecular zone) young stars (in central regions) |
| gptkbp:diameter |
about 10,000 light-years
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1785
|
| gptkbp:distanceFromEarth |
about 26,000 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
Milky Way bulge
|
| gptkbp:locatedIn |
center of the Milky Way
|
| gptkbp:mass |
about 10^10 solar masses
|
| gptkbp:metallicity |
varied
|
| gptkbp:obscuredBy |
interstellar dust
|
| gptkbp:partOf |
gptkb:Milky_Way
|
| gptkbp:rotationPeriod |
rotates rapidly
|
| gptkbp:shape |
barred
boxy/peanut-shaped |
| gptkbp:stellarPopulationAge |
mostly older than 10 billion years
|
| gptkbp:studiedBy |
gptkb:Gaia_mission
gptkb:OGLE_survey gptkb:VVV_survey infrared astronomy |
| gptkbp:bfsParent |
gptkb:Galactic_Center
gptkb:Galactic_bulge gptkb:bulge_of_galaxies |
| gptkbp:bfsLayer |
7
|