Big Bang/Star

According to the ________________, all of the matter and energy in the Universe was once condensed into a single, incredibly dense point, which then exploded and began to expand in all directions

• Big Bang Theory

• Cosmology

• Hubbles Law

All stars primarily contain

• Iron and Carbon

• Oxygen

• Hydrogen and Helium

• Lithium

About how old is the universe

• 14 billion years

• 5 million years

• 300,000 years

A luminous ball of gas, made mostly of hydrogen and helium, held together by its own gravity is called

• A planet

• A star

• A black hole

A large cloud of dust and gas from which stars are born is called

• white dwarf

• black hole

• nebula

What force causes a star to form from large clouds of dust and gas?

• gravity

• solar power

• nuclear fission

What is the longest stage in the life cycle of a star?

• convection

• condensation

• main sequence

What primarily determines the life cycle a star will follow?

• gravity

• color spectrum

• how large it is as a nebula

What type of star will follow a life cycle similar to our sun?

• a low mass star (smaller)

• a supernova

• a supergiant

Which statement is true?

• The galaxies are moving toward us.

• The galaxies are moving away from us.

• The universe remains static or unchanged in motion.

• None of the above