Geography Revision for SA 1 - G6

Which theory explains the origin of the universe?

• Steady State Theory

• Big Bang Theory

• Oscillating Universe Theory

• Nebular Hypothesis

What is the Milky Way?

• A planet

• A galaxy

• A star

• A constellation

How many galaxies are estimated to exist in the observable universe?

• 200 million to 1 billion

• 200 billion to 2 trillion

• 2 billion to 10 billion

• 100 million to 500 billion

What is a star?

• A planet

• A comet

• A body that produces its own light

• A satellite

Which of the following is the nearest star to our solar system?

• Sirius

• Alpha Centauri

• Betelgeuse

• Rigel

What are constellations?

• Groups of planets

• Recognizable patterns of stars

• Groups of galaxies

• Rings of asteroids

Which of these is a recognized constellation?

• Orion the Hunter

• Pegasus

• Andromeda

• Centauri

What is the center of our solar system?

• Earth

• Jupiter

• The Sun

• Saturn

Which planets are classified as gas giants?

• Mercury and Venus

• Mars and Earth

• Jupiter, Saturn, Uranus, Neptune

• None of the above

What is an asteroid?

• A small planet

• A rocky body mainly found between Mars and Jupiter

• A comet

• A satellite