Exploring Our Solar System

What was the initial state of our solar system before it formed?

• A collection of small planets

• A single massive star

• A large, dense cloud of gas and dust

• A group of asteroids

Which group of planets is known for having hard surfaces and thin atmospheres?

• Jovian planets

• Terrestrial planets

• Gas giants

• Dwarf planets

What is the current classification of Pluto according to the International Astronomical Union?

• A dwarf planet

• A gas giant

• An asteroid

• A terrestrial planet

What is the primary concern regarding asteroids in our solar system?

• Their role in blocking sunlight

• Their potential to impact Earth

• Their ability to form new planets

• Their potential to collide with other planets

Where do comets primarily originate from in our solar system?

• The rings of Saturn

• The Kuiper Belt and Oort Cloud

• The surface of Mars

• The asteroid belt

Which comet is known for its periodic appearance near Earth every 76 years?

• Voyager Comet

• Comet Seeker

• Barley's Comet

• Halley's Comet

What was the purpose of the telescope called the 'comet seeker'?

• To study the rings of Saturn

• To track asteroids

• To observe a comet's tail

• To observe the surface of Mars

Which spacecraft took the first portrait of the solar system?

• Apollo 17

• Voyager 1

• Mariner 4

• Pioneer 10

What was the mission of NASA's New Horizons spacecraft?

• To explore Mars

• To study the Sun

• To orbit Jupiter

• To investigate Pluto and the Kuiper Belt

What did scientists discover about Pluto's moon Charon?

• It has active volcanoes

• It is larger than Pluto

• It contains significant amounts of ice

• It has a thick atmosphere