Astronomers can learn a lot of things about space objects by looking at their spectra. Which of the following is NOT something the spectra will show them.
What elements the object is composed of.
The size of the object
If it is moving towards or away from Earth.
How fast it is moving
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City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.

Fossil fuels are organic compounds that are made from

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays