Launched: August 4, 2007 at 5:26 a.m. EDT on a Delta II rocket from the Cape Canaveral Air Force Station, Florida.
Landing on Mars: Radio signals received at 4:53:44 p.m. Pacific Time (7:53:44 p.m. Eastern Time) confirmed the Phoenix Mars Lander had survived its difficult final descent and touchdown 15 minutes earlier. The signals took that long to travel from Mars to Earth at the speed of light.
Landing site: Planned for the arctic plains of Mars 68° north, 233° east, in Vastitas Borealis
Distance between Earth and Mars on May 25, 2008: 276 million kilometres
One-way radio transit time Mars to Earth on May 25, 2008: 15.3 minutes
Distance travelled, Earth to Mars: About 680 million kilometres
Primary mission: 90 Martian days, or "sols" (equivalent to 92 Earth days)
Expected near-surface atmospheric temperatures at landing site during the primary mission: -73°C to -33°C
Weight of the craft: 350 kg (772 pounds)
Power: solar panels and lithium-ion batteries
Dimensions:
Weight of the science payload: 55 kilograms includes:
Overall cost: US$420 million, including development, science instruments, launch and operations
Canada's contribution: CDN$37 million for the design, building, operations and scientific support