A composite of Lyrids over Huntsville, Ala., in 2009. This year, the meteor shower will hit its peak before dawn Sunday morning. Danielle Moser/MSFC/NASA hide caption

itoggle caption Danielle Moser/MSFC/NASA

The space shuttle Discovery is loaded onto the back of a modified 747 at Kennedy Space Center on April 15. The plane will ferry the shuttle to Washington, D.C., on April 17, where it will be permanently installed at the Smithsonian National Air and Space Museum. Kim Shiflett/NASA hide caption

itoggle caption Kim Shiflett/NASA

An Atlas missile is launched from Cape Canaveral, Fla., in October 1964. Cape Canaveral has been the site of numerous launch failures as the United States developed missile and rocket technology. Fox Photos/Getty Images hide caption

itoggle caption Fox Photos/Getty Images

The last lunar eclipse of 2011 as seen from the San Gabriel Valley east of Los Angeles on Dec 10, 2011. Frederic J. Brown/AFP/Getty Images hide caption

itoggle caption Frederic J. Brown/AFP/Getty Images

The Messenger spacecraft is depicted over the Calvino Crater on Mercury in this enhanced-color image of the planet's surface. NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington hide caption

itoggle caption NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington