Mardi 4" achromat, ETX-70, 8"cat. Whitepeak Lunar Observatory Website
David W. Knisely . . . . . . "If you aren't having fun in this hobby, you aren't doing it right." Hyde Memorial Observatory http://www.hydeobservatory.info Prairie Astronomy Club http://www.prairieastronomyclub.org
Cactus Patch Observatory / 14" LX200
"The four points of the compass be logic, knowledge, wisdom, and the unknown. Some do bow in that final direction. Others advance upon it. To bow before the one is to lose sight of the three."
Quote:Just curious to understand... during a discussion a friend claimed that since c is a universal constant it can be expressed as 1 without reference to any unitary measure. Therefore time is distance, measurable in the same units as 3 space. e=m; no c squared needed...
Orion XT12i with Swayze-refigured primary & Protostar secondary
Televue NP101 refractor
William Optics Megrez 90 refractor
Universal Astronomics Deluxe Mounts
Reality is a figmentnewton of your imagination
"Scientists aren't perfect, just peer reviewed.""Eye of Sauron Observatory", featuring "Sauron's Other Eye", 16" dob, conical Royce mirror.
Quote:So if space is expanding does that mean time is contracting?
Quote:Quote:So if space is expanding does that mean time is contracting? Yup, to an outside the Universe observer.Since our entire Universe is the relative frame, we can't detect it ourselves.Pesse (insert your joke here, I can't do all the work!) Mist
"After the Laws of Physics, everything else is opinion" -Neil deGrasse Tyson
Elmira-Corning Astronomical Society
Quote:I don't think an "outside observer" is even a meaningful concept with respect to any qualities of the cosmos.
Few astronomical observations have really changed our perspective on earth's place in the universe. Those that did were made around 1610 with a 20x power, 0.3° field of view telescope, sporting a singlet objective stopped down to 15 mm.
I mostly use small, fast, and (ultra)portable glass: Bushnell Legend 8x42, Pentax PCF WP II 20x60, MiniBorg 60ED, ST-80, EON-80, ST-120, 6" StarBlast.
Clear skies - Jim Crazy PNW imager !
A-P Mach1 on 12" concrete pier - ROR structure.
Tak FSQ85-EDX, Tak FS-128. Orion 8" f/3.9 w/MoonLite motorized - MPCC MkIII CCD:
SBIG 8300M/FW8, Astrodon 36mm LRGB, 5nm Ha, 3nm SII, OIII - Canon EOS 6D unmod SSI3, SSAG,
Skytools3pro, MaxImDLpro, PSCS5, PSPpro, TheSkyX, TheSky6, BYE, StarTools
Orion XX14g -for visual- diags, ep's, accy tubes, Binocs .