We (or they) can see (many) other solar systems being formed now. Also: the physics allow only certain events to have occurred - from those possibilities they build models and make "theories" (actually hypotheses).
nothing
Scientists n there theories are uncertain still of how the moon formed about'
the answer is "first".
from a cloud of gas and dust
first era was the Precambrian
the first thing that happened was the scientists accepted the fossils then the fossils were formed, finally the fossils were made
From eye-witness testimony...they are History.
nothing
The Royal Society of London was formed to encourage scientists to share experimental data.
Scientists think that Barbados was formed about almost a million years ago.
The rock band We are Scientists were formed in the year 2000. They have so far released four studio albums with their most recent album Barbara in 2010.
so that when rock and stuff is formed they know what temperature it was formed in
There is evidence that CFC's have formed hole in the ozone. These evidence are found by scientists.
Scientists n there theories are uncertain still of how the moon formed about'
con las manos
the answer is "first".
When science was gored