U1B2 Formative Review

Front

What is a Stellar Nebula?

Back

A Stellar Nebula is a large cloud of gas and dust in space, where new stars are born.

Front

What is the Main Sequence stage of a star?

Back

The Main Sequence is the stage in a star's life where it spends most of its time fusing hydrogen into helium.

Front

What is the primary product of fusion in stars?

Back

Helium is the primary product of fusion in stars.

Front

What is the life cycle of our star, the Sun?

Back

The life cycle of the Sun is: Stellar Nebula -> Main Sequence -> Red Giant -> Planetary Nebula -> White Dwarf.

Front

What is a Black Hole?

Back

A Black Hole is a region in space where the gravitational pull is so strong that not even light can escape.

Front

What happens during the Red Giant phase?

Back

During the Red Giant phase, a star expands and cools after exhausting its hydrogen fuel.

Front

What is a Supernova?

Back

A Supernova is a powerful explosion that occurs at the end of a star's life cycle, often resulting in the formation of a neutron star or black hole.

Front

What is a White Dwarf?

Back

A White Dwarf is the remnant core of a star that has exhausted its nuclear fuel and shed its outer layers.

Front

What is a Planetary Nebula?

Back

A Planetary Nebula is a shell of gas ejected from a star during the later stages of its life, often surrounding a white dwarf.

Front

What is the role of gravity in star formation?

Back

Gravity pulls together gas and dust in a nebula, leading to the formation of a protostar.