Astronomy Quiz

What is the primary focus of astronomy?

• Study of Earth's atmosphere

• Study of celestial objects and phenomena

• Study of marine life

• Study of Earth's geology

What did ancient astronomers use their observations for?

• To predict earthquakes

• To create calendars and predict climate

• To study ocean currents

• To develop modern technology

How old is the universe according to the Big Bang Theory?

• 4.5 billion years

• 10 billion years

• 13.8 billion years

• 20 billion years

Which type of galaxy has flat disk with spiral arms?

• Elliptical galaxy

• Irregular galaxy

• Spiral galaxy

• Lenticular galaxy

What is the diameter of the Milky Way galaxy?

• 50,000 light-years

• 75,000 light-years

• 100,000 light-years

• 150,000 light-years

Which star is known for its reddish appearance and is a part of the constellation Scorpius?

• Sirius

• Betelgeuse

• Rigel

• Antares

Why do stars appear to twinkle from Earth?

• Due to their different colors

• Due to their distance from Earth

• Due to Earth's atmosphere causing light to bend

• Due to their different brightness levels

What is the main reason planets do not fall into the Sun?

• The Sun's gravity is weak

• The planets are stationary

• Balance between gravitational pull and orbital motion

• Planets are repelled by the Sun

Which planet is known as the 'Red Planet'?

• Venus

• Mars

• Jupiter

• Mercury

Which of the following planets has the most prominent ring system?

• Jupiter

• Saturn

• Uranus

• Neptune