For a start, it's the most common element in the Universe. Also, it's the element that most stars use as nuclear fuel, for their enormous power output.
The spectral series are important in astronomy for detecting the presence of hydrogen and calculating red shifts.
It is very important
maths is important in astronomy algibra and trigonometry
isasic neaton
Objects in space and the means to study them.
Of which elements? - Stars usually consist mainly of hydrogen, less helium, and small amounts of the so-called "metals" (which, in astronomy, means any heavier elements).Of which elements? - Stars usually consist mainly of hydrogen, less helium, and small amounts of the so-called "metals" (which, in astronomy, means any heavier elements).Of which elements? - Stars usually consist mainly of hydrogen, less helium, and small amounts of the so-called "metals" (which, in astronomy, means any heavier elements).Of which elements? - Stars usually consist mainly of hydrogen, less helium, and small amounts of the so-called "metals" (which, in astronomy, means any heavier elements).
Stars are the sources of light. If they did not emit light, there would be no stars and thus no astronomy.
Babylonians
became is good for us
Babylonia.
yes
It is important because we can learn more.