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What is gravity?
The attractive force between two masses
The more ___________ an object has the more gravity it has.
The more mass an object has the more gravity it has.
What is a light-year?
The distance light travels in a year.
Which star is the largest; neutron star, black hole, or white dwarf?
Which star is the largest, neutron star, black hole, or white dwarf? Black Hole
Which star is the smallest; neutron star, black hole, or white dwarf?
Which star is the smallest, neutron star, black hole, or white dwarf? Neutron Star
Use the Hertzsprung-Russell diagram to describe Rigel.
White, bright, almost 20,000 degrees C
What is a nebula?
A large amount of gas and dust that become a star.
The more ______________ a star has, the longer it will live.
The more ___mass___ a star has, the longer it will live.
If a Red Giant or Supergiant has low mass it will become a …
What is it called when a dying Red Giant or Supergiant explodes …
What is it called when a dying Red Giant or Supergiant explodes … Supernova
A supernova with high mass becomes a …
A supernova with low mass becomes a …
A white dwarf will become a …
What is a quasar?
A distant galaxy with a black hole at its center.
What are the three types of galaxies?
Spiral Elliptical Irregular
What galaxy do we live in?
The Milky Way
What type of galaxy is the Milky Way?
A Spiral Galaxy
What is a constellation?
A patterned group of stars
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Vocab Characteristics of a Life of a Systems & Galaxies Random.
EQ: How can patterns be used to describe the universe? Starter 1/19: What is the difference between an elliptical and irregular galaxy? 1/20 How is a elliptical.
AIM: What is the Life Cycle of a Star?. If you were preparing a timeline of your life, what would you include?
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STARS AND GALAXIES The Life Cycle of a Star: Stars have a life cycle and evolve over time. The mass of a star controls its Evolution Lifespan Ultimate.
A. Earth’s Galaxy—and Others Galaxy: A large group of stars, gas, and dust held together by gravity. Milky Way: Our galaxy which contains about 200 billion.
From birth, to death, to live, once again.. Nebula Nebula Protostar Protostar Brown dwarf Brown dwarf.
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What is a star? A big ball of gas & nuclear fusion.
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Stars & Galaxies © 2006, TESCCC The content of this multimedia presentation is intended for use by TESCCC subscribers for intra-district professional development.
Life Cycle of Stars 4-3 The Life cycle of a star depends upon the size (Mass) of the star. Our Sun is an Average size Star.
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