Question

use google to go further: find three facts about the death of average and massive stars
death of an average size star\tdeath of a massive star (after the core collapes causing a supernova explosion the core becomes...)
planetary nebula:
1.
2.
3.\tblack hole
1.
2.
3.
white dwarf
1.
2.
3.\tneutron star
1.
2.
3.
create your own interpretation of the life cycle of a star. you can add some words if you want

Explanation:

• Planetary Nebula (Death of average - size star): 1. It is a glowing cloud of gas ejected by the star. 2. Rich in elements processed in the star's core. 3. Forms as the star sheds its outer layers.
• White Dwarf (Death of average - size star): 1. Remnant of the star's core. 2. Very dense, about the size of Earth but with a mass similar to the Sun. 3. No longer undergoing nuclear fusion.
• Black Hole (Death of massive star): 1. Formed when the core collapses under its own gravity. 2. Has an extremely strong gravitational pull, not even light can escape. 3. Event horizon marks the boundary beyond which nothing can return.
• Neutron Star (Death of massive star): 1. Composed mainly of neutrons. 2. Extremely dense, with a mass greater than the Sun packed into a small radius. 3. Can have very high - speed rotation and strong magnetic fields.

For the life cycle of a star: A star begins as a nebula, a cloud of gas and dust. Gravity causes the nebula to collapse, forming a protostar. If the protostar reaches a high enough temperature and pressure, nuclear fusion starts in its core, and it becomes a main - sequence star. For an average - size star like the Sun, after the hydrogen in the core is exhausted, it becomes a red giant, then ejects its outer layers to form a planetary nebula, leaving behind a white dwarf. For a massive star, after the hydrogen in the core is used up, it goes through a series of nuclear fusion stages with heavier elements. Eventually, the core collapses, causing a supernova explosion. Depending on the mass of the core, it can form a neutron star or a black hole.

Answer:

• Planetary Nebula:

1. Glowing gas ejected by star.
2. Rich in processed elements.
3. Outer - layer shedding result.

• White Dwarf:

1. Core remnant.
2. Dense, similar mass to Sun, Earth - sized.
3. No nuclear fusion.

• Black Hole:

1. Core collapse product.
2. Strong gravitational pull, light can't escape.
3. Event horizon boundary.

• Neutron Star:

1. Neutron - composed.
2. Extremely dense.
3. High - speed rotation and strong magnetic fields possible.

• Life cycle of a star: Star starts as nebula, becomes protostar, then main - sequence star. Average - size star becomes red giant, then planetary nebula and white dwarf. Massive star becomes red super - giant, then supernova, forming neutron star or black hole.