A 20 million ton asteroid is currently hurtling through space at 23,000 miles per hour, on a collision course with Earth. But fear not – Nasa has 25 years to stop it.
An art installation named “Forever Bicycles” by dissident Chinese artist Ai Weiwei during a media preview of the “Ai Weiwei Absent” exhibition in Taipei October 28, 2011. The exhibition at the Taipei Fine Arts Museum features 21 sets of Ai’s works, including installation pieces, photography, sculpture, and videos.
On September 17, 2011, the Cassini orbiter snapped a photograph of Saturn and four of its moons – Dione (located above the rings), Titan (looming in the background), Pandora (to the right of the rings), and Pan. You’ll have to strain your eyes to look at Pan which is a little orb traveling within the Encke Gap inside the rings of Saturn. Credit: NASA/JPL-Caltech/Space Science Institute