Physics, 19.10.2021 02:30, khalibarnes001
Spectra are like the barcodes used at the supermarket checkout; each pattern can be scanned to provide information about the star. The main reason spectra of different stars are different is that the stars have different surface . While we know that each leaves a different pattern in the spectrum, mostly the stars have roughly similar , with only a few exceptions. The most common element in all stars is . Astronomers use the patterns in the spectra of stars to sort all stars into categories called ; the hottest stars are given the letter __. Objects which are not hot enough for hydrogen fusion to take place in their cores are called .
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Physics, 22.06.2019 03:00, conceitedkayy1865
According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?
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Physics, 22.06.2019 04:00, jaejaeJae9534
Acompound machine is also called a machine. a. force b. simple c. complex d. directional
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Physics, 22.06.2019 08:30, fernandoramirez086
Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
Answers: 3
Spectra are like the barcodes used at the supermarket checkout; each pattern can be scanned to provi...
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