U12L3
What Are Stars and galaxies?
astronomy star universe galaxy
TWINKLING STARS
Astronomy is the study of objects in space and their characteristics. Stars are huge balls of hot, glowing gases that produce their own heat and light.
How do stars form?
Going GALACTIC
A galaxy is a group of billions of stars, objects that orbit the stars, gas, and dust.
Types of Galaxies.
Spiral
Barred spiral
Irregular
The universe is everything that exists. It holds many galaxies.
Elliptical
COSMIC CRASHES
Sometimes galaxies collide. A collision can form or merge galaxies.
U12L3 - What Are Stars and Galaxies?
Roxanna Alvarado Mas
Created on March 15, 2023
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Transcript
U12L3
What Are Stars and galaxies?
astronomy star universe galaxy
TWINKLING STARS
Astronomy is the study of objects in space and their characteristics. Stars are huge balls of hot, glowing gases that produce their own heat and light.
How do stars form?
Going GALACTIC
A galaxy is a group of billions of stars, objects that orbit the stars, gas, and dust.
Types of Galaxies.
Spiral
Barred spiral
Irregular
The universe is everything that exists. It holds many galaxies.
Elliptical
COSMIC CRASHES
Sometimes galaxies collide. A collision can form or merge galaxies.