Viking program

The viking program studied which planet?

• Venus

• Mars

• Saturn

• Jupiter

Who manufactured the viking landers?

• JPL

• Martin Marietta

• Northrop Grumman

• Lockheed

What provided the power for the viking orbiters?

• RTG

• Solar panel

• Purely batteries

• Fusion reactor

Which fuel was used in the viking lander’s RTG’s?

• Pu-238

• U-238

• U-235

• Pu-239

True or false: all experiments to test for traces of biological life on the viking landers came back negative

• True

• False

Answer explanation

One of the experiments came back positive, but afterwards scientists discovered that non-biological elements reacting with the highly oxidizing soil triggered the experiment.

Which of the craft failed first?

• Viking 2 orbiter

• Viking 2 lander

• Viking 1 orbiter

• Viking 1 lander

Which rocket launched the viking crafts?

• Titan II

• Titan IIIE

• Atlas V521

• Delta II

What kind of propellant did the viking propulsion system use?

• Bipropellant

• Tripropellant

• Monopropellant

• It didn’t have a propulsion system

About how much time was there between the launches of the two missions?

• 20 days

• 2 months

• 2 years

• 2 decades

Which of these was NOT a primary mission objective of the missions?

• Search for evidence of life on Mars

• Obtain high resolution images of the Martian surface

• Characterize the structure and composition of the atmosphere and surface.

• Study winds and earthquakes on Mars.