SCIENCE|natural and applied sciences|space science
- dúpholl Reference 'dúpholl'. Hussey, M. Fréamh an Eolais. Coiscéim, Baile Átha Cliath, 2011. Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- Definition réimse amuigh sa spás ina bhfuil imtharraingt fhíordhian, ionas go súnn sé gach damhna a bhíonn sa spás mórthimpeall air isteach ann agus nach féidir le haon rud, damhna, fuinneamh, nó fiú solas, éalú as Reference 'dúpholl'. Hussey, M. Fréamh an Eolais. Coiscéim, Baile Átha Cliath, 2011.
- schwarzes Loch
- de
- Definition stellares Objekt hoher Dichte, dessen Gravitation weder Materie noch Licht entweichen lässt Reference "Wikipedia > Schwarzes Loch, https://de.wikipedia.org/wiki/Schwarzes_Loch (4.2.2018)"
- black hole
- en
- Definition region of spacetime where gravity is so strong that nothing, including light or other electromagnetic waves, has enough energy to escape it Reference "Wikipedia > Black hole (8.9.2023)"
- Comment "See also: NASA Science, Black holes (8.9.2023)"