Egyptians following the Mars Curiosity rover are celebrating the work and life of NASA researcher Dr Essam Mohamed Heggy, a planetary scientist who is a member of the science team involved in the discovery of life on Mars. People around the world watched Curiosity's historic landing on Mars earlier today. On Twitter, The Big Pharaoh tells us: And continues: The Curiosity Rover casts a shadow in Mars’ Gale crater while landing. Picture uploaded by NASA's Curiosity Mars Rover facebook page. Hassan Yahya adds: Prophetess Lana notes: Meanwhile, Amr Khairy uses the opportunity to joke about the Muslim Brotherhood appointments in government and how exhibiting signs of religion are a bigger priority than promoting science and learning. He tweets: Curiosity is NASA's latest attempt to go where no man has gone before. Before this mission, the U.S., Russia, Japan and Europe had sent about 40 spacecrafts to Mars. Twenty-six had failed. During the 23 months after landing, Curiosity will analyze dozens of samples of rocks to access whether Mars could ever support human life.