Astronomy
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| show | Theory of how the universe began. Space started expanding/inflating
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| Hertzsprung-Russell (H-R) Diagram | show 🗑
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| show | The brightness of a star. How much energy it gives off.
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| Star | show 🗑
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| show | A nuclear reaction that combines two Hydrogens into a He, for example. The process by which new elements are created.
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| Core of a star | show 🗑
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| show | The evolution of most stars falls on the main sequence on the H-R diagram. Hot and bright stars eventually end up cool and dim.
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| Supernova | show 🗑
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| Red Giant | show 🗑
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| show | A stage in stellar evolution towards the end of a star's life. The star is relatively small and cool./dim.
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| White Dwarf | show 🗑
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| show | A massive star ends up collapsing under its own gravity and forms a black hole, whose gravity is so enormous that nothing, not even light can escape.
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| show | A massive star ends up collapsing into a neutron star. All the electrons and protons combing into neutrons under the enormous gravity.
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| Nebula | show 🗑
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| Sun | show 🗑
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| show | A rocky or gaseous celestial body that is orbiting a star.
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| Solar System | show 🗑
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| Phases of the moon | show 🗑
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| show | The moon is between the earth and the sun and we do not see any reflected light.
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| show | The earth is between the sun and the moon and we see all the reflected light from the sun.
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| Constellation | show 🗑
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| show | The Northern /Southern Lights. Particles from the sun ionize atoms and molecules in the atmosphere, giving off light in the process.
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| Electromagnetic Radiation | show 🗑
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| show | particle of light travelling at 300,000,000 km/s
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| Electromagnetic Spectrum | show 🗑
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| Doppler effect | show 🗑
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| Blue Shift | show 🗑
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| Red Shift | show 🗑
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| show | How many times a wave is generated in one second.
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| Wavelength of a wave | show 🗑
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| Speed of a wave | show 🗑
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| Winter Solstice/Summer Solstice | show 🗑
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| show | Two days of the year, March 21, September 21 where we have equal hours of day and night.
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| Astronomical Unit | show 🗑
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| show | The distance light can travel in one year - about 9.46 x 10^12 km
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| The age of the universe | show 🗑
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| show | Approximately 4.5 billion years.
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| show | Venus, Mercury, Earth, Mars
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| show | Jupiter, Saturn, Neptune,Uranus
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| Dark Matter/Dark Energy | show 🗑
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| show | The earth passes in front of the full moon, blocking its reflected sunlight from reaching the earth.
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| Solar Eclipse | show 🗑
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| show | Areas of magnetic fields on the sun
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| show | Solar prominence that erupts sending solar material into space
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| show | Large loops of bright gas near sunspots
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| show | The sun's outer atmosphere, visible during a solar eclipse.
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| Asteroid | show 🗑
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| show | Asteroid that enters the earth's atmosphere burning up due to friction. Also known as shooting star.
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| Meteorite | show 🗑
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| Kuiper belt | show 🗑
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| show | A sphere of space dust and debris that extends to the very edge of the solar system.
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| show | The study of stars, planets, galaxies.
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| Cosmology | show 🗑
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
mkoulis
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