This topic contains a solution. Click here to go to the answer
|
Author Question: The units of proper motion are km/s because proper motion is the motion of stars across the sky. ... (Read 56 times) |
Did you know?
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.