Group-1_Rocky Adventures in Space

What are comets made of?

• Metallic materials

• Ice, dust, and rocky material

• Clay and silicate rocks

• Nickel-iron

What is the most famous comet?

• Comet 2I/Borisov

• Comet Hale-Bopp

• Comet 67P/Churyumov-Gerasimenko

• Halley's Comet

Where are Trojan asteroids found?

• In the asteroid belt

• At Lagrange points, specifically L4 and L5

• In the Kuiper Belt

• Beyond Neptune's orbit

What are the major groups of Trojan asteroids?

• Earth Trojans and Neptune Trojans

• Jupiter Trojans and Neptune Trojans

• Mars Trojans and Earth Trojans

• Jupiter Trojans and Mars Trojans

What is the composition of Trojan asteroids?

• Metallic materials

• Ice and dust

• Rock and metal

• Clay and silicate rocks

What is the size range of planetesimals?

• As small as a grain of sand

• As big as the Moon or Mars

• Less than a kilometer in diameter

• Tens to hundreds of kilometers in diameter

Which type of asteroid is primarily composed of nickel-iron?

• S-type

• C-type

• M-type

• D-type

Which object is considered an interstellar comet?

• • Halley's Comet

• • Comet Hale-Bopp

• • Comet 67P

• • 2I/Borisov

What characteristic trajectory do interstellar objects have?

• Circular
• Hyperbolic
• Parabolic
• Elliptical

Which interstellar object was the first known to pass through our solar system?

• Oumuamua
• Alpha Centauri
• Andromeda Galaxy
• Halley's Comet