Assertion: planetarium's dome | /r/HasProperty | built
Facets:
value: from thin aluminium sections with ribs
type: OTHER
Source sentences:
text: Most modern domes are built from thin aluminium sections with ribs providing a supporting structure behind.
text: In 1896 the observatory purchased their first photographic telescope, with a dome being built to house it between then and 1898.
text: I also soon realized that I could use the 3d models to simulate the observatory state for remote monitoring and control after the dome was built.