Ronchi Testing For A Spherical Telescope Mirror
Monday, December 14th, 2009 at
2:02 am
Ronchi testing for a 6" f/8.2 focal ratio telescope mirror. Substrate is plate-glass of 25 mm thick. Test is done inside the Center of Curvature(CoC) with 80 lines per inch grating. Camera (Nikon C...
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US $20.00






you are genius, very handy discovery there. 5/5
OMG…another face melting rip…WOW! Compare this and all of this band’s songs to the one hit wonder US hair metal cranks…thanks for posting this!
Cake testing with haley
amazing
PSE suspends Uniwide trading – Business Mirror: PSE suspends Uniwide tradingBusiness MirrorUHI started commercial …
On the brightside, he does get to marry Amanda Palmer, so I can’t really ever feel bad for the guy.
Missed it earlier? SkyandTelescope.com – News from Sky & Telescope – The Great Daylight Comet of 1910 [de… [from
Testing geo-tagging, everybody!
How do you expect anyone to truthfully answer these questions?
Anyone who claims to is a liar liar pants on fire.
Caccia: Associazioni Scrivono a Ronchi, l'Inganno Della Legge Ue
Good Luck and babydust to u!!!!
no, era il titolo di un blog cinematografico che penso non esista più.
the other mirror…LOL
RT Microsoft just blew our minds by putting live video and Worldwide telescope together on maps. Wow.
You would never be able to see the Big Bang, because there is a point in space beyond which galaxies are moving away fom us as fast as the speed of light. If they are moving away from us at the speed of light, their light will never reach you, or your telescope.
And then…the only "direction" space really follows is time. The only way to see the Big Bang would be to travel into the past.
I suppose it would be easier to decide exactly where in the universe the Big Bang occured if all galaxies were moving in the same direction, and away from the exact same point. But, all objects in space are moving away from one another…
yes, it is true that you can point your telescope in any direction and pick up the primordial radiation. That is the only real evidence we have of the Big Bang…that, and the fact that ALL of the universe was once very hot, and it cooled at the same rate.
Daily Mail
‘Acid death’ Birmingham girl’s mother questioned
BBC News
A woman held by police over the death of her daughter, three, is continuing to be questioned about whether acid was involved in the girl’s death. …
Mother charged over daughter death The Press Association
Acid drink suspected in death of girl, 3 Herald Sun
Mum held after three-year-old daughter dies of acid burns Mirror.co.uk
Discountvouchers.co.uk - The Sun - BirminghamMail.net
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This song always brings tears to my eyes. I know we can point our fingers and blame the government, the media, the corporations, and so much more. However, we need to blame ourselves for allowing others dictate our worth and well being. Time to think for ourselves and start changing our environment my start changing ourselves. Peace.
Yes, I am lining one now. It works perfect. Except for a few bubbles.
Want to replay Mirror's Edge and Prince of Persia (2008) in HD. Oh yes.
Astronomii de la Observatorul Austral European (ESO) au descoperit cele mai vechi stele din afara Căii Lactee, cu ajutorul unui telescop uriaş instalat în Chile, această descoperire fiind considerată fundamentală pentru înţelegerea felului în care s-a format universul. Calea Lactee / FOTO: ncku.edu Imaginea 1/1 Acest telescop uriaş – Very Large Telescope(VLT) [...]
V of sphere = 4/3[pi]r^3
dv/dr = 4[pi]r^2
dv/dt = 100 cm3/sec
—————————————-
dv/dt = (dv/dr)*(dr/dt)
100 cm3/sec = 4[pi](5^2)*(dr/dt)
solve for dr/dt
The following is a list of companies that supposedly (as I personally have no proof) use animal testing.
You can look through the brands, what they sell, and pick the ones that seem the most harsh. Such as chemicals and what not. Good luck in your project
Antares red supergiant 100 points free trial #telescope #astronomy
@officialbfbc2 #EA
have you thought about maybe testing shit? Xbox out in china.
They say The world is our playground…….But what game they gonna play on spherical ground?????
ur a religious dumbass mj was awesome and hes more likely moonwalking in heaven and who are we to judge what happen with the mj stuff cause nobody really knows and jordan chandler did lie about him so if he was lieing what about the other charges so i dont think he did it so fuck you seriously christianity pretty alomost killed many cultures so fuck you
It’s November, BITCH.
that is a very good point.
e ragazzi oggi sono 2 anni…eppure mi sembra ancora ieri…
Konrad Lorenz, the Nobel Prize-winning zoologist, had a pet goose that he allowed the run of the house. The first day when the goose waddled in the door, there happened to be a mirror near floor height; the goose mistook his own reflection for some rival bird and flew into attack mode.
esse minicraque é reiii…
Repeat testing
HAHA! You see that? Robert Scoble acknowledges I will eventually win! HAHA! FINALLY! For once in my life, I win!
Unless Logical shows up…