Exploring Planets and Cosmic Origins

Which of the following is a characteristic of Jovian planets?

• They have a solid surface.

• They are primarily composed of gases and ices.

• They are smaller than terrestrial planets.

• They have no moons.

Which planet is considered a terrestrial planet?

• Jupiter

• Saturn

• Mars

• Neptune

What is the primary use of Polaris in navigation?

• It indicates the direction of the equator.

• It helps determine the time of day.

• It shows the direction of true north.

• It is used to measure altitude.

Which process powers the Sun and other stars?

• Nuclear fission

• Nuclear fusion

• Radioactive decay

• Chemical combustion

What is the Big Bang theory primarily about?

• The formation of the solar system

• The origin of the universe

• The end of the universe

• The creation of black holes

Which of the following is NOT a characteristic of terrestrial planets?

• They have a rocky surface.

• They are larger than Jovian planets.

• They have few or no moons.

• They are closer to the Sun.

Which planet is NOT a Jovian planet?

• Uranus

• Venus

• Neptune

• Saturn

What is the main element involved in the nuclear fusion process in stars?

• Helium

• Carbon

• Hydrogen

• Oxygen

How does Polaris help sailors at sea?

• By indicating the direction of the wind

• By providing a fixed point in the sky for navigation

• By predicting weather patterns

• By showing the position of the Sun

Which of the following statements is true about the Big Bang theory?

• It suggests the universe has always existed in its current state.

• It proposes the universe began from a single point and expanded.

• It claims the universe is contracting.

• It states the universe was created by a collision of galaxies.