Volcanoes on mars erupted toproduce water.Cool conditions led to freezing ofwater on its surface.
Atmospheric envelop Moderate temperature range Oxygen Water
Mars surveyor program of NASA sent fivespace crafts between 1996 and 2005.In July 1996 scientists discovered possiblefossils of bacteria in meteorite from mars.
Fossils were 1000 times smaller thanthe smallest bacteria.Fossil was found to be made of manydifferent chemical compounds.
135 launches cost of programme $196 bnNAME OF NO. OF YEARSSHUTTLE SHUTTLESCOLUMBIA 28 1981-2003CHALLENGER 10 1983-1986Discovery 39 1984-2011Atlantis 33 1985-2011Endeavour 25 1992-2011
1087 return tripsfrom moon 7 return trips from earth to mars
APRIL 15 2010-PREZ MAY 16 2011 – FINAL 2 APRIL 24 1990-OBAMA SETS OUT MISSION TOOK PLACE ON DISCOVERY LAUNCHESFUTURE OF NASA DISCOVERY & HUBBLE TELESCOPESPACE TRAVEL ENDEAVOURAUG 8 2011-BARBARA MORGANBECOMES 1STTEACHER IN SPACE 2011 1981 1983 JAN 28 1986- 2010 CHALLEGEREXPLODESJULY 26 2005- 1986 73 SECONDS INTO ITSDISCOVERY FLIGHT ,KILLING ALL 7CHOSEN FOR 2007 1988 CREWRETURN TO FIGHT” SHUTTLESMISSION 2005 1990 JUNE 18 1983-SALLYFEB 1 2003- RIDE BECOMES 1ST USCOLUMBIA IS 2003 1992 WOMEN TO GO INTODESTROYED 1998 1995 SPACE ONBOARDDURING RE-ENTRY CHALLENGERON ITS 28TH FLIGHTJUNE 29 1995- ATLANTIS MAY 7 1992-ENDEAVOUR APRIL 12 1981-MAIDENBECOMES 1ST SHUTTLE UNDERTAKES 1ST OF 25 VOYAGE COLUMBIATO DOCK WITH MIR MISSIONS MAKES 37 ORBITS
Russia USANovember 3,1957: R-7 rocket launched, October 23, 1957: US Navy conductscarrying dog Laika test launch of Vanguard rocket.January 2, 1959: Luna-1 (E-1) - first March 3-4, 1959: Juno-2 rocket sentspacecraft to escape Earth’s orbit. Pioneer-4 probe towards MoonApril 12, 1961: Yuri Gagarin completes October 23, 1961: US Navy conductsworlds first manned space flight. another test launch of Vanguard rocket.August ,1962: Two manned spacecraft, March 16 ,1962: The Titan-2 ICBMVostok 3 & 4, orbit Earth. flew its first test.March 31, 1966:Luna-10, first May 30, 1966: Surveyor-1launched.spacecraft to orbit Moon.
A US project of the Nova rocket Lunar Orbiter E-6 landerSurveyor