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22 light years, in layman's terms equals 5 billion round-trips from San Francisco to Paris. . - SF to Paris (1 trip = 5831.79 miles) - double that for a roun
by yohann305 13y ago
22 light years, in layman's terms equals 5 billion round-trips from San Francisco to Paris.
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- SF to Paris (1 trip = 5831.79 miles)
- double that for a round trip
- 22 light years = 5.87849981 × 10^12 miles
- Divide 22 light years by the round trip, yields total trip count.
- vlasev 13y agoActually, it's WORSE. 1 light year = 9.454 x 10^15 meters 22 light years = 2.080 x 10^17 meters SF to Paris, round trip = 1.877 x 10^7 meters Number of trips = 1.108 x 10^10 In layman's terms, it's about 11 billion trips! Here's another way to get a sense of scale. The earth rotates the sun at an orbit with semi-major axis of about 150 million kilometers. Using some data you can determine that the orbit of Earth is about 9.398 x 10^11 meters in circumference. Divide the distance to the star by this number to get 2.213 x 10^5 years. That is, it takes the Earth about 220 thousand years to go this distance around the sun.