Scientists and officials of Indian Space Research Organization pose for photos as they celebrate the success of Mars Orbiter Mission (MoM) on Wednesday. Indian Press Information Bureau/Xinhua/Landov hide caption

itoggle caption Indian Press Information Bureau/Xinhua/Landov

Scientists and engineers at the Indian Space Research Organization (ISRO) monitor the Mars Orbiter Mission (MOM) in Bangalore, India on Sept. 15. MOM is expected to enter into Mars orbit on Wednesday. Jagadeesh NV /Landov hide caption

itoggle caption Jagadeesh NV /Landov

In an image provided by NASA, astronaut Randy Bresnik prepares to enter Boeing's CST-100 spacecraft for an evaluation at the company's Houston Product Support Center. NASA awarded Boeing with a $4.2 billion contract Tuesday. AP hide caption

itoggle caption AP

Closeup of Philae's primary landing Site J, which is located on the "head" of Comet 67P/Churyumov–Gerasimenko. The image was taken by Rosetta's OSIRIS narrow-angle camera on Aug. 20. ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA hide caption

itoggle caption ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA

A handout picture provided by Nicaraguan Army on Monday shows the place where what was first reported as a meteorite fell close to International Airport Augusto Sandino, in Managua, Nicaragua. Nicaraguan Army/ Handout/EPA/Landov hide caption

itoggle caption Nicaraguan Army/ Handout/EPA/Landov