a light year is defined as. the distance light travels in a year perspective proxima centuri is 4.3...
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A Light Year is defined as.The distance light travels in a year
Perspective Proxima Centuri is 4.3 light years away. To walk an equivalent distance a person would have to walk 944 million times around the the Earth
The Voyager is traveling 38,000mph. At that speed it would take it 150,000 years to get to Proxima Centuri
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The speed of lightThe speed of light
• In one second light can travel around the equator 7.5 times
• Light travels at 186,000 miles a second.
• Or 669,600,000 mph
• It travels about 6,000,000,000,000 miles a year
• The next star is 4.2 light years away
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Orion (See Web below)
http://www.quietbay.net/Science/astronomy/nightsky/
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OrionOrion
Are the stars of this constellation close together?
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OrionOrion
Beetle juice is one of the brightest stars in the sky.
It is 427 light years away
Or
2,560,000,000,000,000 miles
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On the String scale model. The next closest star is 250 miles
away!!