Exploring the Stars: A Quiz on Our Universe

What is a star?

• A giant ball of super hot gas held together by its own gravity

• A bright light in the night sky that guides travelers

• A planet that shines due to the sun's reflection

• A moon of the Earth

Why does the Sun appear bigger and brighter than other stars?

• Because it is the largest star in the universe

• Because it is the only star that emits light

• Because it is the only star in our solar system

• Because it is much closer to the Earth

What is the habitable zone?

• The area on the Sun where temperatures are coolest

• A zone around a star where temperatures allow for liquid water on a planet

• The region around the Earth that contains the atmosphere

• A region in space where no life can exist

Which star is the brightest in our night sky?

• The Moon

• Mars

• Venus

• Sirius

What is a light year?

• The distance light travels in one year

• A year with more daylight than nighttime

• The time it takes for light to travel in one Earth year

• A measurement of light brightness

How far is the Sun from the Earth?

• Less than 50 million miles

• Over 200 million miles

• About 93 million miles

• Exactly 100 million miles

What does a planisphere show?

• The phases of the Moon

• Maps of the Earth's continents

• The location of stars at different times of the year

• The planets in our solar system

What was the Kepler telescope designed to do?

• Take pictures of the Earth from space

• Examine stars to find planets

• Map the surface of Mars

• Study the Sun's surface

How many planets did the Kepler telescope discover?

• Over 1000

• Exactly 500

• About 2600

• Less than 100

Why can we see stars from Earth?

• Because they are located in the Earth's atmosphere

• Because they emit their own light

• Because they reflect light from the Sun

• Because they are close to the Earth