Astrophysics and Cosmology Quiz for 10th Grade

Which of the following best describes how many stars are typically found in a galaxy?

• Hundreds
• Thousands
• Millions
• Billions

What is the primary mechanism that shapes the structure of the universe?

• Electromagnetic force
• Nuclear force
• Gravitational force
• Thermal energy

In the stellar life cycle, what stage comes immediately after the Main Sequence Star?

• White Dwarf
• Nebula
• Red Giant
• Supernova

What happens to light from distant galaxies that supports the Big Bang theory?

• Blue shift
• Green shift
• Red shift
• Purple shift

Which type of star appears bluer in the night sky?

• Cool stars
• Hot stars
• Medium temperature stars
• Dying stars

What is the final stage for a Sun-like star?

• Supernova
• Black Hole
• Neutron Star
• White Dwarf

What does CMBR stand for?

• Cosmic Massive Bright Radiation
• Cosmic Microwave Background Radiation
• Celestial Magnetic Burst Response
• Cosmic Molecular Binding Reaction

Which of these is NOT a typical orbital relationship in space?

• Moons orbiting planets
• Asteroids orbiting stars
• Artificial satellites orbiting Earth
• Planets orbiting comets

What does the variable 'r' represent in the orbital speed formula?

• Rotational speed
• Radius
• Revolution time
• Relative velocity

What is the primary characteristic of a black hole?

• Extreme heat
• Zero gravity
• Extremely strong gravitational pull
• Constant light emission