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Star Life Cycle Review

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Page 1: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

Star Life Cycle Review

Page 2: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Transports energy from the radiative zone to the surface of the sun.

• Sunspot• Corona• Photosphere• Convective zone

Page 3: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Convective zone

Page 4: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• The only layer of the sun that reflects visible light.

• Sunspot • Corona• Photosphere• Solar flare

Page 5: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• photosphere

Page 6: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Outermost layer of the sun that is hotter than the surface of the sun and seen only during a solar eclipse.

• Sunspot• Corona• Solar flare• Convective zone

Page 7: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Corona

Page 8: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Cooler areas located near the equator on the surface of the sun

• Sunspot• Photosphere• Chromosphere• Solar flare

Page 9: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• sunspot

Page 10: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Violent explosions of gas released from the chromsphere and corona.

• Sunspot• Photosphere• Chromosphere• Solar flare

Page 11: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Solar flare

Page 12: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• The spherical distance surrounding a black hole out of which nothing can escape

• Accretion disk• Singularity• Event horizon• Escape velocity

Page 13: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Event horizon

Page 14: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• A spiral of gas that can surround a black hole.

• Accretion disk• Singularity• Event horizon• Escape velocity

Page 15: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Accretion disk

Page 16: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• The speed at which an object must travel to escape the gravitational pull of anther object.

• Accretion disk• Singularity• Event horizon• Escape velocity

Page 17: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Escape velocity

Page 18: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• The point at the center of a black hole

• Accretion disk• Singularity• Event horizon• Escape velocity

Page 19: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• singularity

Page 20: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• ____________ are caused by solar winds interacting with the Earth’s magnetosphere at the poles.

• Auroras• Northern lights• Southern lights• All of the above• None of the above

Page 21: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• All of the above

Page 22: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• The sun generates huge amount of energy through nuclear ________.

• Fission• Fusion

Page 23: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• fusion

Page 24: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• In the sun’s core __________ collide with other ___________ to produce helium atoms.

• Protons• Electrons• Neutrons

Page 25: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• protons

Page 26: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Suppose a star that is 500 light years away from Earth exploded 500 years ago. When will see the explosion?

• 500 years ago• 500 years from now• today

Page 27: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• today

Page 28: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Of the following stars, the youngest are

• Main sequence stars• White dwarfs• Black dwarfs• Red giants

Page 29: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Main sequence stars

Page 30: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• White dwarfs stars

• Form from red giants• Fuse hydrogen to carbon• Form from planetary nebulas• Form supernovas

Page 31: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Form from planetary nebulas

Page 32: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Nearly 90% of all stars are in what point of their life cycle?

• Nebulas• Protostars• Main sequence stars• White dwarfs

Page 33: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Main sequence stars

Page 34: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• The sun is

• An unusually hot star• A very cool star• A typical star• None of the above

Page 35: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• A typical star

Page 36: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• The surface temperature of a star can be estimated based on the star’s

• Size• Color• Age• Mass

Page 37: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• color

Page 38: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• All stars

• Reflect light from the sun• Appear to wander off their star paths• Produce their own light• All of the above• None of the above

Page 39: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Produce their own light

Page 40: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• The solar wind pushes and shapes the Earth’s ____________.

• Magnetic Poles• Magnetosphere• Atmosphere• Weather patterns

Page 41: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Magnetosphere

Page 42: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• The corona is hotter than the ___________ of the sun.

• Core• Radiative zone• Convective zone• Photosphere (surface)

Page 43: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Photosphere (surface)

Page 44: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• The sun is a medium sized star but looks very bright to us because it is

• Very luminous• Very hot• Father away from us than other stars.• Closest to us

Page 45: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Closest to us

Page 46: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• A red star is hotter than

• a blue star• A white star• All other stars• No other stars

Page 47: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• No other stars

Page 48: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Most of the stars in the Milky Way will end their lives as

• Blackholes• Neutron stars• White dwarfs• Main sequence stars

Page 49: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• White dwarfs

Page 50: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• A star is born when

• Gas and dust collapse inward• Nuclear fusion stars in the core• Fusion of the hydrogen slows down• The core becomes carbon and oxygen

Page 51: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Nuclear fusion stars in the core

Page 52: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Cooler stars glow with light that is less intense at

• Shorter wavelengths (toward the red end of the spectrum)• Shorter wavelengths (toward the blue end of the spectrum)• Longer wavelengths (toward the red end of the spectrum)• Longer wavelengths (toward the blue end of the spectrum)

Page 53: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Longer wavelengths (toward the red end of the spectrum)

Page 54: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Stars radiate (give off)

• Heat• Electromagnetic waves• Light• All of the above• None of the above

Page 55: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• All of the above

Page 56: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Galaxies contain interstellar matter. What is interstellar matter?

• Gas and dust that may form new galaxies.• Gas and dust that may form new stars• Matter that may form new universes• Matter that may form new constellations

Page 57: Star Life Cycle Review. Transports energy from the radiative zone to the surface of the sun. Sunspot Corona Photosphere Convective zone

• Gas and dust that may form new stars