Exploring the Search for Extraterrestrial Life

What is one reason scientists believe extraterrestrial life might exist?

• The moon has signs of life.

• We have found life on Mars.

• Aliens have visited Earth.

• The universe is vast and ancient.

What is the primary goal of the Mars 2020 rover?

• To establish a human colony on Mars.

• To photograph the Martian surface.

• To find intelligent life on Mars.

• To collect samples for a Mars sample return mission.

Why is it important for the Mars rover's equipment to be sterile?

• To prevent contamination of Mars with Earth materials.

• To ensure the rover functions properly.

• To protect the rover from Martian dust.

• To avoid damaging Martian rocks.

What feature of Europa makes it a candidate for hosting life?

• Its thick atmosphere.

• Its deep ocean beneath the ice.

• Its proximity to the sun.

• Its volcanic surface.

What is the main source of energy for life on Europa, if it exists?

• Nuclear energy from Europa's core.

• Wind energy from Jupiter's storms.

• Solar energy from the sun.

• Chemical energy from hydrothermal vents.

What is the purpose of the Europa Super mission?

• To establish a base on Europa.

• To mine resources from Europa.

• To study Europa's ocean and potential for life.

• To land humans on Europa.

What might scientists need to redefine in their search for extraterrestrial life?

• The definition of a planet.

• What it means to be alive.

• The size of the universe.

• The criteria for a habitable zone.

What is one of the challenges in searching for life beyond our solar system?

• The absence of water.

• The lack of technology.

• The vast distances involved.

• The presence of hostile aliens.

What is a key factor in determining the potential for life on other planets?

• The planet's distance from Earth.

• The planet's size.

• The planet's color.

• The presence of liquid water.

What is one of the goals of the PBS 'Summer of Space' series?

• To build a new space station.

• To explore the history of the Apollo missions.

• To find new planets in our solar system.

• To teach about the search for intelligent life.