Assertion: solid helium | /r/Desires | a temperature of 1–1.5 k
Facets:
value: about −272 °c
type: OTHER
value: about −457 °f
type: OTHER
Source sentences:
text: Solid helium requires a temperature of 1–1.5 K (about −272 °C or −457 °F) at about 25 bar (2.5 MPa) of pressure.