“The Curiosity Mars rover has imaged a small metallic-looking protuberance on a rock. Visible (in the image below the green lines point to it), the protuberance appears to have a high albedo and even projects a shadow on the rock below...”

Lightning strikes the Willis Tower (formerly Sears Tower) in downtown on June 12, 2013 in Chicago, Illinois. (Photo by Scott Olson/Getty Images)

In this handout image supplied by the European Space Agency, the Soyuz TMA-03M spacecraft is raised into vertical position on December 19, 2011 at the Baikonur Cosmodrome in Kazakhstan. (Photo by Stephane Corvaja/ESA via Getty Images)

Ariel Winter is seen on February 21, 2017 in Los Angeles, CA. (Photo by Hollywood To You/Star Max/GC Images)

Fans are seen at the 143rd Kentucky Derby on May 6, 2017 in Louisville, Kentucky. (Photo by Michael Hickey/Getty Images)

Full length portrait of female skier, Sierra Nevada Mountains in California, USA. (Photo by Anatoliy Gleb/Getty Images)

A model poses for a picture during the 20th World Bodypainting Festival 2017 on July 28, 2017 in Klagenfurt, Austria. (Photo by Jan Hetfleisch/Getty Images)

Festival crowd enjoying the weather on Day 1 of Reading Festival on August 25, 2017 in Reading, England. (Photo by Dean Fardell/Barcroft Images)