Astronomy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Ares on the sun which appear dark due to their temperature are called ______________. | Sunspot
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| A ______________ is caused by an increased number of particles in the solar wind due to solar flares and prominence's. | Magnetic Storm
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| The phenomenon when the sky glows due to charged particles coming in contact with the Earth's atmosphere is a ______________. | Aurora
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| Huge, looping eruptions of gas that arch out from the photosphere are called ______________. | Prominece's
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| The ______________ is the most prominent layer of the sun and radiates light and heat from its surface. | Photosphere
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| The group of electrically charged particles sent out by the corona is called the ______________. | Solar Wind
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| The ______________ is the outer layer of the Sun's atmosphere which can only be seen during a total eclipse. | Corona
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| ______________ are explosions of hot gas that shoot from the Sun's surface releasing tremendous amounts of energy into space. | Solar Flare
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| Sunspots are areas of gas which are ______________ than the surrounding gases. | Cooler
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| All of the following are potential hazards of a coronal mass ejection except: | Strengthening of Communications
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| Which of the following correctly places these in order from largest to smallest? | Universe - Local Group/Cluster - Galaxy - Solar System - Planet
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| All of the matter and anti-matter which exists is called the ______________. | Universe
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| A galaxy which has a nucleus of bright stars and two or more arms is called a ______________ galaxy. | Spiral
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| A galaxy which is either spherical or a flattened disk is a ______________ galaxy. | Elliptical
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| Which of the following is a FALSE statement about our galaxy? | We are the largest galaxy within our Local Group/Cluster.
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| Which of the following is a false statement about our sun? | It is located 2/3 of the way from the center of our galaxy.
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| Which is a FALSE statement about light years? | We use light years because distances in space are so short that meters are too large to be helpful.
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| The largest galaxy in our local group/cluster is called the ______________. | Apex
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| A piece of rock which is in the process of burning up in our atmosphere is called a ______________. | Meteor
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| A chunk of rock that is randomly moving around the solar system in no fixed orbit is called a ______________. | Meteoroid
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| Which of the following is a false statement about comets? | The tail always points toward the Sun and gets smaller as it nears it.
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| Which of the following is a false statement about moons? | Are studied in relation to their position from the sun.
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| (True or False) --- A planet's movements are based on their revolution around the Sun and its rotation on its axis. | True
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| Which of the following series correctly places the planets in order as they extend out from the Sun? | Mercury - Venus - Earth - Mars - Jupiter - Saturn - Uranus - Neptune
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| Which of the following is classified as a terrestrial planet? | Mars
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| Which of the following is not a characteristic of a Gaseous Planet? | Small in Size
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| Great Red Spot; gravity 2.5x Earths's largest planet. | Jupiter
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| Red in color; polar ice caps; seasons; Olympus Mons; 2 moons. | Mars
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| Many craters (like our moon), temperature extremes. | Mercury
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| Great Dark Spot; greatest wind speeds; blue due to methane. | Neptune
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| Lowest density of all planets; biggest ring system. | Saturn
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| Rolls on its side; tiny core; blue-green color due to methane. | Uranus
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| Hottest planet; rains sulfuric acid; greenhouse atmosphere of Carbon Dioxide. | Venus
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