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Stars
Manage episode 357824372 series 3454205
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Our Sun is a main-sequence star of spectral type G2, which means it is a yellow dwarf star.
As the Sun evolves and changes, it will have a significant impact on the planets in our solar system, including Earth. During the red giant phase, the increased luminosity of the Sun will cause the surface temperature of Earth to rise, making it uninhabitable for life as we know it.
The entire process of the Sun's evolution from a main-sequence star to a white dwarf is expected to take about 10 billion years. This means that we are currently living in the middle of the Sun's life, and we have another 5 billion years or so before it starts to change significantly.
Season 1, Episode 5: Stars
Topics include:
- Sun
- Stars
- Astronomy
- Astrophysics
- Stellar evolution
- Fusion
- Nuclear reactions
- Solar system
- Solar flares
- Solar wind
- Corona
- Photosphere
- Chromosphere
- Solar eclipse
- Sunspots
- Stellar classification
- Black holes
- Supernovae
- Neutron stars
- White dwarfs
- Red giants
- Main sequence
- Nebulae
- Interstellar gas
- Cosmic dust
- Galaxies
- Milky Way
- Star clusters
- Exoplanets
- Habitable zone
- Extrasolar planets
- Planetary systems
- Hertzsprung-Russell diagram
- Luminosity
- Spectroscopy
- Infrared radiation
- Ultraviolet radiation
17 епізодів
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