Cosmic Window
The eyepiece (bottom) of the massive Subaru telescope.
Carting Instruments Around
The custom-built cart that moves along a track to change out the instruments on the bottom of the Subaru telescope.
Secondary Mirror
Subaru's secondary mirror (the dome above it is closed).
Dust Protection
Enormous vents throughout the building keep the temperature the same while barring dust, debris, and fast-blowing winds.
The Dome Door
The door to the dome: how Subaru peers out at the heavens above.
Making Tracks
Tracks in the floor leading to the large silver doors of the instrument storage rooms.
Instrument Swap Demo
Nemanja "Nem" Jovanovic demonstrates how the crane changes out the instruments.
Telescope Selfie!
Space.com contributor Nola Taylor Redd couldn't resist taking this epic selfie in the mirror of one of Subaru's instruments.
Mirror View
An image of the instrument mirror.
Telescope Controls
The control console looks like a throwback to the '70s, but Jovanovic said similar machines are common in telescopes around the world.
