The rock like materials found in the star.

• Interstellar grain

• Protostar

• Supernova

• Main sequence star

Which of the following best describe stellar nucleosynthesis?

• A process of producing gases in the stars.

• A process of producing heavy elements in the molecular cloud.

• A process of massive explosion in the stars.

• A process of forming heavy elements within the stars.

Which of the following elements is not formed during the stellar evolution?

• Neon

• Manganese

• Magnesium

• Silicon

Which of the following is not part of infrared radiation?

• Pressure

• Temperature

• Energy

• Chemical reaction

These are the abundant gases in the stellar evolution.

• Nitrogen and Chlorine

• Argon and Krypton

• Helium and Hydrogen

• Hydrogen and Nitrogen

When carbon fuses, what element is formed?

• Neon

• Oxygen

• Hydrogen

• Silicon

In the process of stellar nucleosynthesis, when silicon fuses what element is formed?

• Iron

• Neon

• Magnesium

• Manganese

In the main sequence star, what happen if the fusion stops?

• The energy in the core increases.

• The pressure in the core is reduce.

• The chemical reaction in the core stops.

• Interstellar medium

The energy detected in the star formation.

• Infrared radiation

• Ultraviolet ray

• Chemical reaction

• The molecular cloud in the core explodes

When magnesium fuses, what element is formed?

• Neon

• Silicon

• Magnesium

• Oxygen