Recent content by Anis SNOUSSI

big thanks to you guys! :D this was too helpful. thanks hilbert2 ! you too DrClaude and Khashishi !

thanks for the quick reply! correct me if I'm wrong! a dense object (liquid or solid per say) do not have an emission spectrum made of individual specific radiations (seen as lines), they have continuum thermal emission spectrum which does not have as many gaps and therefore can radiate in so...

well, this may be obvious for many of you guys here! and I know it must be! but I don't seem to find any satisfying answer online. well, I know that when you heat up any kind of matter it will emit light depending on its temperature, for example, humans will emit infrared light the same as...

according to the general relativity, if someone stayed on Earth and another person was traveling near the speed of light, time will go slower for who's traveling faster. but we all know that the universe has no center, so no frame of reference, then if we consider the person moving to be at...