Re: [PLUG] OT: 7 minutes of terror, Curiosity landing on Mars 01:30 EDT Monday

[Walt Mankowski <waltman@pobox.com>]

It does, but the lag sucks. :)

On Sat, Aug 04, 2012 at 08:29:55PM -0400, Nicholas Gasparovich wrote:
> As long as Mars has FIOS, then I'm all aboard, lol
> 
> -Nick
> On Aug 4, 2012 7:17 PM, "Ron Kaye Jr" <rekaye1005@verizon.net> wrote:
> 
> >  the americans have gotten very good at this process.
> > but the russians have not fared so well.
> >
> > are you prepared to volunteer for the 1st manned flight.
> > apparently you get to mars, with no plans for coming back.
> >
> > i share your enthusiam for space exploration.
> > i had just graduated from springfield high in 1969.
> > my friends and i were touring the US in a trailer.
> > i was visiting my cousin, on a huge naval vessel in san diego,
> > first week of august.
> >
> > neil armstrong became the symbol of the greatest accomplishment of mankind.
> > it was an exciting time.
> > we need to reengage as a nation in this inspirational activity
> >
> > Ron Kaye Jr
> > 914-7294734
> >
> > On 08/04/12, Lee H. Marzke wrote:
> >
> >
> > FYI,
> >
> > NASA's Curiosity is scheduled to land on Mars at 01:30 EDT early Monday
> > morning
> > (Aug 6, 2012) after traveling over 500,000 miles. It's mission is to
> > understand the
> > 'habitability of Mars". In other words are their conditions that could
> > have ever supported
> > life on Mars ( not specifically looking for life itself )
> >
> > View it at NASA TV: Live coverage begin 6PM EDT Sunday
> > http://www.ustream.tv/nasa
> >
> >
> > Re-entry (called the 7 minutes of terror ) begins with Curiosity hitting
> > the atmosphere
> > at 13,200 Mph and using a combination of head shields, and supersonic
> > drogue chute
> > to slow to 200mph, and retro rockets for the rest of the way. The rover is
> > actually
> > lowered on a 'sky-crane' to hang 7.5 meters below the rocket platform, and
> > when
> > the rover touches, the cables are severed and the rocket platform flies
> > away from the rover to
> > crash a short distance away. This keeps the level of dust and debris at
> > the landing site
> > to acceptable levels.
> >
> > Landing is scheduled into Gale crater which has central 3-mile high
> > mountain peak.
> >
> > Three satellites that have been in orbit around Mars since
> > NASA:Odyssey:2001
> > ESA:MarsExpress:2003,
> >  NASA:MRO:2006, etc. will relay the spacecraft signals back to earth.
> > The communication will need to switch between these relay stations
> > during re-entry, and it's possible that communication will be lost for
> > for part or all of the re-entry. Communication
> > delay is 14 minutes for the signal to reach earth from Mars, so when we
> > get the signal
> > that re-entry is beginning, the spacecraft's fate will have already
> > happened 7 minutes
> > prior.
> >
> > The landing results may be known immediately at landing, or delayed up to
> > three
> > days if communication is lost.
> >
> > Lee
> >
> > --
> >
> > "Between subtle shading and the absence of light lies the nuance of
> > iqlusion..." - Kryptos
> >
> > Lee Marzke, lee@marzke.net http://marzke.net/lee/
> > IT Consultant, VMware, VCenter, SAN storage, infrastructure, SW CM
> >
> >
> >
> >
> >
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