The "Star Trails" photo pool on Flickr is literally dizzying. People set up long-exposure shots or stacked photos on cloudless nights, and the result shows just how small we are against the hurtling stars. Here are a few humbling photos.

Star Trails: March 18 by Stephen Little on Flickr. "One hundred and six (106) stacked images, each 30 seconds at ISO 400 and f/2.8 at 17mm. Taken between 10:11 and 11:08 PM on March 18, 2010." Way more at the link.

Planes n Condensation by ✮мιcнεllε✮ on Flickr. Way more at the link.

3-21-10 by ✮мιcнεllε✮ on Flickr. "175 stacked photos
30 sec exposure
F/3.5
1600 ISO
10mm "

Cancana by Hernan.Stocke. More at the link.

Cancana by Hernan.Stocke. More at the link.

Startrails and the Moon by MLWats. Way more at the link.

World In A Spin by MLWats. "Follow the Sign." Way more amazing pics at the link.

Spin me right round by J.P. Robertson, Photographer. Some incredible pics on his/her Flickr page.

Star Trails by Silverstream Images. Some breathtaking pics at the Flickr page.