What do scientists call a gavitationally bound system of two stars in which both stars can be seen with a telescope?

Visual binaries are two stars with a wide enough separation that both can be viewed through a telescope, or even with a pair of binoculars. Five to 10 percent of visible stars are visual binaries. Spectroscopic binaries appear close even when viewed through a telescope.

Explanation:

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the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.