Question

How fast can you run in a second? Six feet? A couple of meters? In that same second, light would travel more than 900 million feet (about 300 million meters). That's almost from Earth to the Moon! This length can be called a light second because it is the distance light travels in a second. (A "kid second" would be those six feet you just sprinted.)

—A Black Hole Is NOT a Hole,
Carolyn Cinami DeCristofano

Evaluate the author’s use of description in this passage. How does she help you understand what a light second is? Support your answer with evidence from the text.

Answer 1

Answer:

The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is defined as 299792458 metres per second. Wikipedia

Astronomical units per day: 173

Miles per second: 186000

Metres per second: 299792458

Miles per hour: 671000000

Kilometres per hour: 1080000000

Parsecs per year: 0.307

From Sun to Earth (1 AU): 8.3 min

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Answer 2

Answer:

Light is too fast and too bright

Hope this helps u