Get up close with today’s most powerful telescopes.

Three centuries of engineering have produced telescopes far beyond Galileo's simple spyglass. Perched on mountaintops, orbiting the Earth and even circling other planets, these telescopes are revealing the solar system in detail Galileo could only dream of. This episode brings viewers up close with today's most powerful telescopes and embarks on a stunning journey to the planets and moons now being imaged as never before.