Exploring The Cosmos

What was the primary objective of NASA's Perseverance Rover mission on Mars?

• To study the Sun

• To search for ancient life and collect samples on Mars

• To explore the Moon’s surface

• To observe distant galaxies

Who proposed the heliocentric model of the solar system?

• Johannes Kepler

• Galileo Galilei

• Nicolaus Copernicus

• Edwin Hubble

What are gravitational waves?

• Waves in the ocean caused by gravity

• Ripples in spacetime caused by massive accelerating objects

• Sound waves traveling through space

• Magnetic waves from stars

Which telescope captured the first image of a black hole?

• Hubble Space Telescope

• James Webb Space Telescope

• Event Horizon Telescope

• Spitzer Space Telescope

What did Edwin Hubble discover about galaxies?

• They are stationary in space.

• They are moving closer to each other

• They are moving away from each other, indicating an expanding universe.

• They are all spiral-shaped

What is a constellation?

• A group of planets

• A group of stars forming a recognizable pattern

• A type of galaxy

How many officially recognized constellations are there?

• 88

• 8888

• 100

What phenomenon causes stars to appear to move across the night sky?

• Earth's rotation

• Solar flares

• Planetary alignment

What is a nebula?

• A type of star

• A giant cloud of dust and gas in space

• A type of galaxy

What are the two main categories of nebulae?

• Stars and planets

• Emission and reflection

• Red and blue