Assertion: heliosphere's wind | /r/HasProperty | accounted by thermodynamic expansion
Facets:
value: alone
type: MANNER
Source sentences:
text: In the late 1990s, the Ultraviolet Coronal Spectrometer (UVCS) instrument on board the SOHO spacecraft observed the acceleration region of the fast solar wind emanating from the poles of the Sun and found that the wind accelerates much faster than can be accounted for by thermodynamic expansion alone.