Fascinating World of Stars and Stellar Phenomena
ASTRONOMY
GIANT AND SUPERGIANT STARS (OLD, LARGE STARS)
•
BLUE GIANT
•
Huge, very hot, blue star
•
Burns helium
•
RED SUPERGIANT
•
Largest known type of star
•
Some as large as our entire solar system
•
Rare
•
When supergiants die they become black holes
TYPES OF STARS
1.
What is the temperature of a blue
giant?
2.
What is the largest known type of
star?
VIRTUALLY DEAD STARS
•
WHITE DWARF
•
Small, very dense, hot star that is made mostly of carbon
•
These faint stars are remnants of a red giant star losing its outer
layers
•
About the size of the Earth, but a lot heavier
•
They will eventually lose their heat and become a cold, dark
star
TYPES OF STARS
3. Which dead star is the size of earth but a lot heavier?
VIRTUALLY DEAD STARS
•
BROWN DWARF
•
“star” whose mass is too small to have nuclear fusion
•
Not luminous
•
NEUTRON STAR
•
Very small, super dense star composed of tightly packed neutrons
•
Thin atmosphere of hydrogen
•
PULSAR
•
Rapidly spinning neutron star that emits energy in pulses
TYPES OF STARS
4. What are 3 types of dead stars?
5. Which dead star is not luminous?
6. Which dead star is composed of tightly packed neutrons?
SUPERNOVA
SUPER POWERFUL EXPLOSION OF A STAR
7. What is a supernova?
HOMEWORK APRIL 22, 2020
1.
What is the temperature of a blue giant?
2.
What is the largest known type of star?
3.
Which dead star is the size of earth but a lot heavier?
4.
What are 3 types of dead stars?
5.
Which dead star is not luminous?
6.
Which dead star is composed of tightly packed neutrons?
7.
What is a supernova?
Discover the mesmerizing realm of astronomy through a journey into various types of stars, including giant, supergiant, white dwarf, brown dwarf, and neutron stars. Learn about blue giants, red supergiants, white dwarfs, brown dwarfs, neutron stars, and pulsars. Explore the concept of supernovae, the super powerful explosions of stars, and delve into the characteristics and properties of these celestial entities.
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Presentation Transcript
TYPES OF STARS GIANT AND SUPERGIANT STARS (OLD, LARGE STARS) BLUE GIANT Huge, very hot, blue star Burns helium RED SUPERGIANT Largest known type of star Some as large as our entire solar system Rare When supergiants die they become black holes 1. What is the temperature of a blue giant? What is the largest known type of star? 2.
TYPES OF STARS VIRTUALLY DEAD STARS WHITE DWARF Small, very dense, hot star that is made mostly of carbon These faint stars are remnants of a red giant star losing its outer layers About the size of the Earth, but a lot heavier They will eventually lose their heat and become a cold, dark star 3. Which dead star is the size of earth but a lot heavier?
4. What are 3 types of dead stars? 5. Which dead star is not luminous? 6. Which dead star is composed of tightly packed neutrons? TYPES OF STARS VIRTUALLY DEAD STARS BROWN DWARF star whose mass is too small to have nuclear fusion Not luminous NEUTRON STAR Very small, super dense star composed of tightly packed neutrons Thin atmosphere of hydrogen PULSAR Rapidly spinning neutron star that emits energy in pulses
SUPERNOVA SUPER POWERFUL EXPLOSION OF A STAR 7. What is a supernova?
HOMEWORK APRIL 22, 2020 1. What is the temperature of a blue giant? 2. What is the largest known type of star? 3. Which dead star is the size of earth but a lot heavier? 4. What are 3 types of dead stars? 5. Which dead star is not luminous? 6. Which dead star is composed of tightly packed neutrons? 7. What is a supernova?
