6.5 Exploring the universe

Which of the following correctly describes the solar system? (Remembering)

• The Sun and all the moons in the universe.

• The Sun and all the planets orbiting it.

• The Milky Way galaxy and all its stars.

• The Earth and all its neighbouring planets.

How many moons does Jupiter have? (Remembering)

• 8

• 27

• 60

• 100

What discovery was made about Saturn through the use of telescopes? (Understanding)

• It has moons.

• It has rings.

• It has a strong gravitational pull.

• It is the largest planet.

What did astronomers realise about our galaxy, the Milky Way, from using telescopes? (Understanding)

• It is the only galaxy in the universe.

• It is made up of billions of stars.

• It is located in the centre of the universe.

• It is shrinking in size.

What did Edwin Hubble discover about galaxies? (Understanding)

• Galaxies are stationary and do not move.

• Galaxies are moving closer to each other.

• Galaxies are moving away from each other.

• Galaxies rotate around a central point.

What is the name of the telescope that was built in space and named after Edwin Hubble? (Remembering)

• Kepler Space Telescope

• Hubble Space Telescope

• James Webb Space Telescope

• LUVOIR Telescope

What is the primary advantage of the Hubble Space Telescope compared to ground-based telescopes? (Understanding)

• It is free from light distortion caused by the atmosphere.

• It has a larger mirror for better resolution.

• It is closer to the Moon for clearer observations.

• It has a shorter exposure time for faster imaging.

What is the proposed name for the next-generation space telescope that will succeed the Hubble Space Telescope? (Remembering)

• LUVOIR

• Kepler

• James Webb

• Galileo

What is one of the challenges in astronomy that scientists still need to explain? (Understanding)

• The structure of galaxies

• The existence of black holes

• The nature of dark matter

• The behavior of comets

What is the main objective of LUVOIR, the proposed new telescope technology? (Understanding)

• Analysing the atmospheres of exoplanets for signs of life

• Exploring the asteroid belt for valuable resources

• Mapping the surface of Mars in high resolution

• Observing distant supernovae for cosmic expansion studies