Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:gravitational_lens
|
| gptkbp:causedBy |
alignment of three galaxies
|
| gptkbp:discoveredBy |
gptkb:Hubble_Space_Telescope
|
| gptkbp:discoveredIn |
2008
|
| gptkbp:distanceFromEarth |
about 3 billion light-years
|
| gptkbp:locatedIn |
gptkb:galaxy_SDSSJ0946+1006
|
| gptkbp:observedBy |
gptkb:NASA
gptkb:ESA |
| gptkbp:significance |
helps measure the expansion of the universe
provides information about dark matter |
| gptkbp:bfsParent |
gptkb:SDSS_J0946+1006
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
double Einstein ring
|