Full Idea
An example of the sublime is the vastness of the night sky. ...It includes negative feelings of insignificance in the face of nature's indifference, power and magnitude, but is positive in that we are capable of comprehending such matters.
Gist of Idea
The sublime is negative in awareness of insignificance, and positive in showing understanding
Source
Stephen Davies (The Philosophy of Art (2nd ed) [2016], 1.2)
Book Reference
Davies,Stephen: 'The Philosophy of Art (2nd ed)' [Wiley Blackwell 2016], p.7
A Reaction
The negative part seems to be a very intellectual experience, with close links to religion, and may be the experience that leads to deism (belief in God's indifference).