it is well known that in the solar system, the volume of the sun is 1.3 million times that of the earth, the sun, however, that this figure in the universe is a little girl again, do take red supergiant w26 objects, diameter is 1500 times the sun, the sun next to it, may be a pixel point, is also likely to see.
so now that have such a big star, so they would if they really exist aliens will also is the shape of the super giant?
like galaxy convoy inside, in the field of barren land, an ancient protoss head is enough to the people in the field of producing energy and life so multiple era.
and scientists said that intelligent life subconsciously seek and similar to their own things, like human will be similar to the earth's environment as well as search for life on the planet, if you really have the appearance of the alien if you want to search for life, are likely to target on the planet is similar to their environment was similar in size, and seeking to grow the size of their lives.
so little planets like earth if they directly active filter, then human beings on earth whether they have to enlarge the equipment USES microscope level tens of thousands of times, even millions of times to be seen.
if so, the aliens to find us, or we can't find aliens can also understand, we may find a planet is alien a finger!As the ancient myths and legends pangu incarnation as the universe!