>What is a STAR???///
Fusion reaction of gas and elements
or
An actor that is famous
>How far away is the closest star?
The closest star is technically Sol, our sun
Had q been specific and stated 'from ours' (though it might be implied in vagueness) then several light years, ~5
>What do you think?
No we are not alone
Doesn't mean they have visited us
Moar likely Roswell like modern UFO are programs that are hidden from public