Voyager 1 and 2: Cosmic Discoveries

What significant boundary did Voyager 1 cross, marking its entry into interstellar space?

• The Oort Cloud

• The Asteroid Belt

• The Kuiper Belt

• The Heliopause

What is the heliosphere primarily composed of?

• Cosmic rays

• Solar wind

• Dark matter

• Asteroids

What is one of the key differences in particle conditions beyond the heliopause?

• Particles are hotter and more spread out

• Particles are non-existent

• Particles are colder and more tightly packed

• Particles are the same as within the heliosphere

How long does it take for a radio signal from Voyager 1 to reach Earth?

• 17 hours

• 17 minutes

• 17 days

• 17 weeks

What did Voyager 1 discover about Jupiter and Saturn?

• They have powerful magnetic fields

• They have no magnetic fields

• They are made entirely of gas

• They are the smallest planets in the solar system

What did Voyager 1's data suggest about the formation of solar systems?

• They can form far from their parent star

• They form only near the center of galaxies

• They do not contain exoplanets

• They are all identical in structure

What did Voyager 1's discovery of interstellar dust clouds help astronomers understand?

• The size of the universe

• The speed of light

• Star formation and evolution

• The existence of dark matter

What is a significant challenge facing Voyager 1 as it continues its mission?

• Decreasing power levels

• Losing its trajectory

• Colliding with asteroids

• Running out of fuel

What is the primary power source for Voyager 1?

• Solar panels

• Nuclear fusion

• Plutonium 238 radioisotope thermoelectric generators

• Hydrogen fuel cells

What phenomenon did Voyager 1 help scientists understand better?

• The Big Bang

• The formation of black holes

• The life cycle of stars

• The expansion of the universe