Solar system largest planet smallest planet brightest planet hottest planet coldest place in the solar system planet with most moons largest moon smallest moon largest asteroid brightest asteroid darkest asteroid largest lunar crater highest volcano in the solar system windiest planet in the solar system most observed comet comet observed over longest historical time brightest comet closest approach of a comet to Earth longest total solar eclipse years with most eclipses largest sunspot group largest solar prominences  Stars largest star hottest star coolest star nearest star brightest star in sky most luminous star oldest star star of greatest proper motion brightest supernova brightest nova largest globular cluster  Universe nearest galaxy most distant naked-eye object brightest Galaxy in the Sky brightest X-ray source brightest radio source most distant galaxy brightest quasar most distant quasar most massive black hole  Miscellaneous largest constellation smallest constellation largest Optical Telescope largest Radio Telescope