Assertion: mercury's period | /r/HasProperty | 88 days
Facets:
value: like its orbit period
type: TEMPORAL
Source sentences:
text: In the 1880s, Giovanni Schiaparelli mapped the planet more accurately, and suggested that Mercury's rotational period was 88 days, the same as its orbital period due to tidal locking.
text: In the 1880s, Giovanni Schiaparelli mapped the planet more accurately, and suggested that Mercury’s rotational period was 88 days, the same as its orbital period due to tidal locking.
text: The first astronomers observing Mercury concluded that its rotational period, like its orbit period was 88 days and so one side was permenantly facing away from the Sun.