Moon changing size illusion

A great link to the detail of this phenomenon can be found in a wiki entry here.

Ebbinghaus illusion from wiki article

Ebbinghaus illusion from wiki article

In this Ebbinghaus illusion, image pulled from above wiki article, the central circles in the two groups are actually the same size, though they appear to be different sizes to the subjective human visual system because of their differing surroundings.  This is one of several hypothses about why a moon on the horizon would appear to be larger than one higher in the sky.

Advertisements
  1. No comments yet.
  1. No trackbacks yet.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: