Lifecycle of a star

The Sun is currently in which stage of its life cycle?

• White Dwarf

• Red Giant

• Main Sequence

• Supernova

A red giant is formed when a star runs out of which fuel?

• Helium

• Carbon

• Hydrogen

• Oxygen

What is the final stage of a massive star's life cycle?

• White Dwarf

• Neutron Star

• Supernova

• Black Hole

The Chandrasekhar Limit determines the fate of which type of star?

• Main Sequence

• White Dwarf

• Neutron Star

• Red Giant

A white dwarf is mainly composed of which elements?

• Hydrogen & Helium

• Carbon & Oxygen

• Iron & Nickel

• Silicon & Sulfur

What is the name of the region around a black hole where nothing can escape?

• Singularity

• Event Horizon

• Accretion Disk

• Neutron Limit

What is the initial phase in the birth of a star?

• White Dwarf

• Black Hole

• Nebula

• Supernova

Which force is responsible for the formation of a star?

• Nuclear

• Gravitational

• Magnetic

• Electric

A supernova explosion is primarily caused by what?

• Rapid rotation

• Collapse of the core

• External shockwave

• Loss of magnetic field

The time taken for light to escape a black hole is?

• Infinite

• 10 years

• 100 years

• 1 second