Bonjour, pouvez vous m'aider à répondre a ces questions svp c'est tres urgent !! 1/ how did hydrogen form ? 2/ how did oxygen form ? 3/ Why is there so much wat
Anglais
lila98
Question
Bonjour, pouvez vous m'aider à répondre a ces questions svp c'est tres urgent !!
1/ how did hydrogen form ?
2/ how did oxygen form ?
3/ Why is there so much water on Earth ?
4/ What is the difference between the VLT ( very large telescope) and the future E-ELT ,
5/ Where are they located ?
6/ What do astrophysicists using the E-ELT hope to find?
7/ Explain why it is important for a country to have a leading -edge astronomical technology ?
8/ What can we learn by studying the sun's radio emission ?
9/ Can any the NRT instruments discover exoplanets ? Why ?
1/ how did hydrogen form ?
2/ how did oxygen form ?
3/ Why is there so much water on Earth ?
4/ What is the difference between the VLT ( very large telescope) and the future E-ELT ,
5/ Where are they located ?
6/ What do astrophysicists using the E-ELT hope to find?
7/ Explain why it is important for a country to have a leading -edge astronomical technology ?
8/ What can we learn by studying the sun's radio emission ?
9/ Can any the NRT instruments discover exoplanets ? Why ?
1 Réponse
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1. Réponse DavinaAlcindor1
1)The atom of hydrogen is the simplest atom which is: he(it) consists only of a proton associated with an electron. It is also the most present atom in the universe, because he(it) represents approximately 92 % of his(its) atoms and 70 % of his(its) mass.