THE UNIVERSE- EARTH AND SPACE

What event is considered the starting point of the universe according to the Big Bang Theory?

• A) The formation of galaxies

• B) The rapid expansion from a singularity

• C) The collision of galaxies

What is the estimated age of the universe according to the Big Bang Theory?

• A) 4.5 billion years

• B) 13.8 billion years

• C) 10 billion years

What was the initial state of all matter and energy in the universe according to the Big Bang Theory?

• A) Scattered particles

• B) Singularity

• C) Stable atoms

1. 
   Which phenomenon supports the Big Bang Theory by providing evidence of the universe's early hot and dense state?

• A) Cosmic Microwave Background Radiation

• B) Stellar collisions

• C) Planetary formation

What does the Big Bang Theory propose about the long-term fate of the universe?

• A) Expansion followed by contraction in a cyclic pattern

• B) Eternal expansion leading to a "heat death"

• C) Sudden collapse into a singularity

What is the role of nebulae in the life cycle of stars?

• A) Nebulae cause stars to explode.

• B) Nebulae are remnants of dying stars.

• C) Nebulae serve as stellar nurseries, where stars are born.

What is the principal force responsible for the formation of stars from nebulae?

• A) Magnetism

• B) Gravity

• C) Nuclear fusion

What process powers the luminosity of stars?

• A) Nuclear fusion

• B) Magnetic resonance

• C) Gravitational collapse

How do astronomers typically measure distances to objects within our galaxy?

• A) Radar ranging

• B) Parallax

• C) Redshift

What is the purpose of constellations in astronomy?

• A) To group stars based on their chemical composition

• B) To predict weather patterns

• C) To provide a way of naming and identifying stars