When the Earth passes directly between the Sun and Mars, the Earth and Mars are closest to each other. If Mars is 1.52 AU from the Sun and there are 1.5 x 108 km in 1 AU, how many times will the width of the U.S. (2,530 miles) fit end-to-end between Mars and Earth? Planets and Sun not drawn to scale. Mars
When the Earth passes directly between the Sun and Mars, the Earth and Mars are closest to each other. If Mars is 1.52 AU from the Sun and there are 1.5 x 108 km in 1 AU, how many times will the width of the U.S. (2,530 miles) fit end-to-end between Mars and Earth? Planets and Sun not drawn to scale. Mars
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
Transcribed Image Text:When the Earth passes directly between the Sun and Mars, the Earth and Mars are closest to each other. If Mars is 1.52 AU from the Sun and there are 1.5 x 108 km in 1 AU, how many times will the width of
the U.S. (2,530 miles) fit end-to-end between Mars and Earth?
Planets and Sun not drawn to
scale.
Mars
Earth
Sun
Part 1 of 4
Mars is 1.52 AU from the Sun. How many times further away from the Sun is Mars than the Earth? (The distances in AU are relative to the distance between the Sun and the Earth, so however many AU a
planet is away from the Sun is how many times farther it is from Sun than Earth.)
1.52✔
1.52 times further away

Transcribed Image Text:Part 2 of 4
Now we need to determine how many kilometers there are between the Earth and Mars in this configuration.
We first have to subtract the distance between the Earth and the Sun from the distance between the Sun and Mars.
1 AU = DEM-AU
DSM-AU
DEM-AU = 0.52
0.52 AU
Then to convert AU to kilometers, multiply the number of AU by how many kilometers are in an AU.
DEM-km = DEM-AU • 1.5 x 108 km/AU
DEM-km = 78000000✔
Part 3 of 4
7.80e+07 km
Now we need to convert the distance across the U.S. in miles to kilometers. There are 1.6 km in 1 mile.
Dus-km = Dus-mi • 1.6 km/mile
Dus-km
= 0.994194
X
We are converting the distance from miles to kilometers. How can you use the number of kilometers in a mile to change the units? km
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