Exploring the Journey of Interstellar Probes

What is the primary goal of the five unmanned spacecraft launched by humanity?

• To explore the inner planets

• To orbit the Earth

• To travel to the nearest star

• To explore the outer planets and beyond

What is the significance of the heliopause?

• It marks the boundary of the Earth's atmosphere

• It is the boundary of the Milky Way galaxy

• It is the edge of the heliosphere where interstellar space begins

• It is the point where the Sun's gravity ends

Which of the following was a first achieved by Pioneer 10?

• First to orbit Jupiter

• First to use an all nuclear power supply

• First to land on Mars

• First to fly by Saturn

In which year did NASA lose contact with Pioneer 11?

• 2012

• 2003

• 1995

• 1987

Which of the following probes is expected to reach interstellar space by 2027?

• Pioneer 10

• Pioneer 11

• Voyager 1

• New Horizons

How long did the Pioneer 10 mission last?

• 21 months

• 40 years

• 22 years

• 30 years

What unique feature did the Voyager probes carry to communicate with extraterrestrial intelligence?

• A holographic image

• A digital message

• A 12-inch gold plated copper disk

• A gold anodised aluminium plaque

Which planet did Voyager 1 closely fly by after its trajectory was changed?

• Uranus

• Mars

• Titan

• Neptune

Tags

NGSS.HS-ESS1-4

What was the first Kuiper Belt Object encountered by New Horizons?

• Pluto

• Arrokoth

• Eris

• Haumea

What unique item does New Horizons carry to honor the discoverer of Pluto?

• A holographic image

• A digital message

• A gold plaque

• Some of Clyde Tombaugh's ashes