How far away are we from the stars we see at night and do they have their own solar systems?
Stars we see are at different distances.The nearest Proxima century is 4.3 light years away,. The brightest star we see Sirius is about 8.3 light years way. Procyon B is about 11 light years away. STar like objects were found even at a distance of 5.5 million light years.
Astronomers hove found proof for orbiting planets around other stars..More than 2000 of them were detected and 1000 confirmed by astronomers.
Kepler space telescope have detected more than 1000 extra solar planets by transit method.
light travels 300,000 kilometers per s econd.The light year is the distance light travels i n one year in vacuum.