digits that carry meaning which contributes to its measurement resolution are called significant figures.
in positive numbers less than 1, the zeros between the decimal point and a non-zero number are not significant.
in 0.0000208, the zeros before 2 has no significance. hence, the significant figures are 3 i.e. 2, 0 and 8.
(i think im spelling it wrong)
an olliptical orbit is a non circular orbit around somethin
it is talking about how from a different perspective things look different.
that picture should .