Stellarsmith.com

Cosmikazi.com (a blend of the words Cosmic and Kamikazi)

(1) "GalacticGlimpseGear".com (2) or simply "GalacticGlimpse".com

DarkStarSupply.com

Astratelier.com (this is a mash-up blend of the words Astra and Atelier. An "atelier" is an artist's studio)

MadSciSky.com

Orion Optic (Orion Optic.com) Explanation: fairly simple and easy to remember and had an idea that the initials O.O. could be printed to look like 2 human eyes)

MadMilkyWay.com

InfinityGlimpse.com

MadAstral.com (this is a variation of a previous entry. "Ad Astra" is the Latin phrase meaning "to the stars". This proposal blends the word "Mad" followed by "astral" for a smoothe sound)

MadPolaris.com (Inspired by the idea of the "mad professor")

Cassiopix.com (Derived from Cassiopeia and Pix)

NightSkyNecessities.com (N.S.N.)

"mAd Astra Gear" as in MadAstraGear.com. (explanation: this proposal is inspired by the Latin phrase "Ad Astra" which means "to the stars". Added an M to ad to incorporate the word "mad" like in mad professor. The initials/acronym would be M.A.G.

MadGalacticGear.com (or simply MadGalactic.com )

CosmiCapture.com (letting the C in Capture serve also as the 2nd C in Cosmic)