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48 Cards in this Set
- Front
- Back
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What are some benefits to Astronomy many years ago? |
They used the lunar cycle to predict season changes |
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What is the north star called? |
Polaris |
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How many earths would fit between earth itself and the moon? |
30 |
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What is the closest planet to earth? |
Venus |
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Is Saturn, Venus or Mercury the hottest planet? |
Venus |
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How many times bigger is Jupiter than Earth? |
11 |
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What is the largest planet in our solar system? |
Jupiter |
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What does the term AU mean? |
Astronomical Units |
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Travelling at the speed of light, how long would it take to get to the sun? |
8 minutes |
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What star is the closest to us? |
The Proxima Centauri (4.85 light years away) |
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What is the nearest Galaxy away? |
Andromeda
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How many stars is Andromeda said to have? |
300 billion |
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What is the sun fueled by? |
Nuclear reactions |
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Which planet is closest to the sun? |
Mercury |
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What is Mars known for? |
Red dusty, rocky, Mars rovers |
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What colour spot is Jupiter known for? |
Red |
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What is Saturn known for? |
Its beautiful rings |
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Which two outer planets are known as twins? |
Neptune and Uranus |
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What is another name for Asteroids? |
Mini planets |
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What is the nickname given to comets? |
Dirty snowballs because of their dust and ice surfaces |
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What do Earth's titlts determine? |
The seasons we experience |
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When is the summer solstace? |
June 21
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What does a summer solstace mean? |
-Sun is directly over tropic of Cancer -Sun is farthest north from equator |
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When is the winter solstace? |
December 21 |
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What does a winter solstace mean? |
-The sun is directly over the tropic of Capricorn -Sun is furthest South of the equator |
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How many times a year does an Equinox occur? |
Twice |
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What are the two names of the equinox's? |
Vernal and Autumnal |
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What is an equinox? |
When the sun is directly over the equator |
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What moon phase is this? |
Waxing Gibbus (Sliver out of the left side) |
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What moon phase is this? |
Waxing crescent |
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What moon phase is this? |
First quarter |
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What colour spot is Neptune known for? |
Black |
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The name given to the massive clouds giving birth to stars is: |
Nebula |
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At what temperature does nuclear fusion start happening? |
10 000 000 Degrees Celcius |
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What are low mass stars nicknamed? |
Red Dwarfs |
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How many years does it take a low mass star to become a white dwarf? |
100 billion |
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What is our sun considered? |
An intermediate mass star |
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How long is our sun expected to last before is runs out of hydrogen? |
10 billion |
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Once the sun begins expanding, what is it called? |
Red Giant |
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Once the outer layer of gas gets blown off, it is now called a: |
White dwarf |
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Once the sun as a white dwarf cools off, what will it be named? |
Black dwarf |
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Do massive stars consume hydrogen quicker or slower? |
Quicker |
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What is the nickname for massive stars? |
Blue-white dwarf |
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When the hydrogen runs out of massive stars, it collapses and explodes. What is this called? |
Supernova |
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Once a massive star explodes what do small remaining cores collapse into? |
Neutron stars |
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What do larger remaining cores collapse into once a massive star explodes? |
Black holes |
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What eclipse is this? |
Solar eclipse. (Sun->Moon->Earth) |
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What eclipse is this? |
Lunar eclipse. (Sun->Earth->Moon) |
