haBo

haBo

Haing suddenly binoculars is OK observation reachs the place with 10 billion far light-year, but do

Haing suddenly binoculars is OK observation reachs the place with 10 billion far light-year, but do

Haing suddenly binoculars can look so far, why doesn't that watch a heavenly body so directly?

Haing suddenly binoculars can look so far, why doesn't that watch a heavenly body so directly?