What are the decomposers in the underwater ecosystem? A: The decomposers in an underwater ecosystem are animal-like organisms called protists, fungi and bacteria. Referred to as saprotrophs, these organisms decom... Full Answer >
On 1 February 2003 the space shuttle Columbia exploded as it was attempting re-entry after a 16-day mission. All seven astronauts on board, including the first Israeli in space, were killed. Tributes to the astronauts were led by US President George W Bush.
1. The Shuttle killed more people than any other space vehicle in history. The explosion of the Challenger killed seven people, six astronauts and one Teacher in Space participant, during the launch of its 10 th mission in 1986. The explosion of the Columbia killed seven more during re-entry of its 28 th mission in 2003. Let me spell it out for you: out of five ShuttlesâColumbia, Challenger, Discovery, Atlantis, and Endeavorâtwo met a disastrous and fiery fate. Thatâs a 40% vehicular failure rate (updated) and a flight failure rate of 1.5%.