3/15/2005: Beauty of Mars

Undertoad · 03-15-2005, 04:22 PM

What would you think this is if I didn't give a hint of it in the Subject?

What it really is, is much more phenomenal. These are vertical cliffs on Mars, today's Astronomy pic of the Day. But what's really amazing is the size; there's nothing to offer perspective here, but these cliffs may be as high as 2 kilometers high!

The Apod says that there is a canyon that's almost twice that deep on Earth, Colca Canyon in Peru. (Which hasn't made the field of 64, World Landmarks - maybe because it's hard to get to see?)

sandra77 · 03-15-2005, 06:25 PM

It really is beautiful. Thanks for bringing that to our attention.

Sandra

richlevy · 03-15-2005, 08:04 PM

Sorry, I thought you meant something like this:

Elspode · 03-15-2005, 10:33 PM

North or South Martian polar cap?

Eric · 03-15-2005, 11:16 PM

i like Mars, i like astronomy.great picture.thanks for sharing it.Under

Undertoad · 03-15-2005, 11:26 PM

North

xoxoxoBruce · 03-16-2005, 12:54 AM

Looks like sand but I guess it can't be with cliffs like that.
Anyway, it doesn't look like a nice place to live.

Trilby · 03-16-2005, 06:41 AM

It looks like the creamy nugat of my Mars bar.

Delicious planet.

xoxoxoBruce · 03-16-2005, 10:49 AM

Great, Venetians (with attorneys) gobbling up Mars.

Wormfood · 03-16-2005, 11:34 AM

I bet BASE jumpers would love those cliffs,
just remember to bring along some bigger parachutes on your journey to mars.

xoxoxoBruce · 03-16-2005, 03:24 PM

Is the gravity greater or lesser?

BigV · 03-16-2005, 03:28 PM

gravity is slightly less, but air pressure is 99% less.

Your parachute would have to be huge!! in testing the parachute for the martian probes, the chute that was designed to deploy at supersonic speeds (think of the wall of air at mach 1) could be simulated at earth's sea level air pressure of merely 80 mph.

So a supersonic free fall on Mars feels as windy as 80 mph earth winds. very windy for sure, but how big must my chute be to make a big enough drag to slow me down to walk-away-from-impact speed?!

Wormfood · 03-21-2005, 02:18 AM

Hmm, I guess they can forget the chutes and bring along some retrorockets instead.

lol · 03-21-2005, 02:54 PM

Mars will always be a mystery. By the way have you noitce the face on mars has disapeared?

Happy Monkey · 03-21-2005, 03:02 PM

It was never there.

03-15-2005, 04:22 PM	#1
Undertoad Radical Centrist Join Date: Jan 2001 Location: Cottage of Prussia Posts: 31,423	3/15/2005: Beauty of Mars What would you think this is if I didn't give a hint of it in the Subject? What it really is, is much more phenomenal. These are vertical cliffs on Mars, today's Astronomy pic of the Day. But what's really amazing is the size; there's nothing to offer perspective here, but these cliffs may be as high as 2 kilometers high! The Apod says that there is a canyon that's almost twice that deep on Earth, Colca Canyon in Peru. (Which hasn't made the field of 64, World Landmarks - maybe because it's hard to get to see?)

03-15-2005, 08:04 PM	#3
richlevy King Of Wishful Thinking Join Date: Jan 2001 Location: Philadelphia Suburbs Posts: 6,669	Sorry, I thought you meant something like this: __________________ Exercise your rights and remember your obligations - VOTE! I have always believed that hope is that stubborn thing inside us that insists, despite all the evidence to the contrary, that something better awaits us so long as we have the courage to keep reaching, to keep working, to keep fighting. -- Barack Hussein Obama

03-15-2005, 10:33 PM	#4
Elspode When Do I Get Virtual Unreality? Join Date: Dec 2002 Location: Raytown, Missouri Posts: 12,719	North or South Martian polar cap? __________________ "To those of you who are wearing ties, I think my dad would appreciate it if you took them off." - Robert Moog

03-15-2005, 11:16 PM	#5
Eric know yourself Join Date: Oct 2004 Location: GD province China Posts: 86	i like Mars, i like astronomy.great picture.thanks for sharing it.Under __________________ To see a world in a grain of sand, And a heaven in a wild of flower. Hold infinity in the palm of your hand, And eternity in and hour --William Blake

03-16-2005, 12:54 AM	#7
xoxoxoBruce The future is unwritten Join Date: Oct 2002 Posts: 71,105	Looks like sand but I guess it can't be with cliffs like that. Anyway, it doesn't look like a nice place to live. __________________ The descent of man ~ Nixon, Friedman, Reagan, Trump.

03-15-2005, 06:25 PM	#2
sandra77 Antagonistic Antagonist Join Date: Feb 2005 Posts: 22	It really is beautiful. Thanks for bringing that to our attention. Sandra

03-15-2005, 11:26 PM	#6
Undertoad Radical Centrist Join Date: Jan 2001 Location: Cottage of Prussia Posts: 31,423	North

03-16-2005, 06:41 AM	#8
Trilby Slattern of the Swail Join Date: Jul 2004 Posts: 15,654	It looks like the creamy nugat of my Mars bar. Delicious planet. __________________ In Barrie's play and novel, the roles of fairies are brief: they are allies to the Lost Boys, the source of fairy dust and ...They are portrayed as dangerous, whimsical and extremely clever but quite hedonistic. "Shall I give you a kiss?" Peter asked and, jerking an acorn button off his coat, solemnly presented it to her. —James Barrie Wimminfolk they be tricksy. - ZenGum

03-16-2005, 10:49 AM	#9
xoxoxoBruce The future is unwritten Join Date: Oct 2002 Posts: 71,105	Great, Venetians (with attorneys) gobbling up Mars. __________________ The descent of man ~ Nixon, Friedman, Reagan, Trump.

03-16-2005, 11:34 AM	#10
Wormfood Superior Inhabitant Join Date: Dec 2004 Location: Sweden Posts: 73	I bet BASE jumpers would love those cliffs, just remember to bring along some bigger parachutes on your journey to mars.

03-16-2005, 03:24 PM	#11
xoxoxoBruce The future is unwritten Join Date: Oct 2002 Posts: 71,105	Is the gravity greater or lesser? __________________ The descent of man ~ Nixon, Friedman, Reagan, Trump.

03-16-2005, 03:28 PM	#12
BigV Goon Squad Leader Join Date: Nov 2004 Location: Seattle Posts: 27,063	gravity is slightly less, but air pressure is 99% less. Your parachute would have to be huge!! in testing the parachute for the martian probes, the chute that was designed to deploy at supersonic speeds (think of the wall of air at mach 1) could be simulated at earth's sea level air pressure of merely 80 mph. So a supersonic free fall on Mars feels as windy as 80 mph earth winds. very windy for sure, but how big must my chute be to make a big enough drag to slow me down to walk-away-from-impact speed?! __________________ Be Just and Fear Not.

03-21-2005, 02:18 AM	#13
Wormfood Superior Inhabitant Join Date: Dec 2004 Location: Sweden Posts: 73	Hmm, I guess they can forget the chutes and bring along some retrorockets instead.

03-21-2005, 02:54 PM	#14
lol Eavesdropper Join Date: Jan 2005 Posts: 24	Mars will always be a mystery. By the way have you noitce the face on mars has disapeared?

03-21-2005, 03:02 PM	#15
Happy Monkey I think this line's mostly filler. Join Date: Jan 2003 Location: DC Posts: 13,575	It was never there. __________________ _________________ \|...............\| We live in the nick of times. \| Len 17, Wid 3 \| \|_______________\| [pics]

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