Assertion: sunspot | /r/HasProperty | visible
Facets:
value: without the aid of a telescope
type: OTHER
value: from earth
type: LOCATION
Source sentences:
text: Larger sunspots can be visible from Earth without the aid of a telescope.
text: At the same time, for me to say that we might be heading to a grand minimum, a time period lasting many decades where no sunspots are visible and the sunspot cycle essentially ceases, is not click bait or hyperbole.