NASA's Mars Odyssey Enters Orbit
maddmike writes "Nasa's Mars explorer Odyssey is scheduled to brake and orbit about Mars today at 7:30PDT. Among the mission's objectives are to understand Mars' climate and geological history and to search for signs of life sustaining environments including water. Main web site is at the JPL website." Update: 10/24 13:12 GMT by T : The BrownFury writes cites a Space.com summary which says "The Mars Odyssey spacecraft appears to have succeeded Tuesday night in one of the most tricky and critical parts of its missions by slipping into orbit around the Red Planet."
Onward to planetary colonization!
This is EXACTLY the kind of good press Nasa needs right now - Hopefully, if we can avoid further mishaps, we can get the kind of funding we need to put people on Mars in my lifetime. If we can find water on the planet, think of the possibilities.
But this is slashdot. A slashdoter who didn't build his own computer is like a Jedi who didn't build his own lightsaber!
At least we haven't lost this latest Mars probe... yet.
Help Brendan pay off his student loans
understand Mars' climate and geological history and to search for signs of life sustaining environments including water. ;-)
let's hope they don't mix up degrees Celcius and Fahrenheit and Liter and gallon..... else these "colonists" are in for a BIG surprise
Fighting for peace is like fucking for virginity
Im just not holding my breath until this mission is over, I mean, when something is that far away, there are TOO many variables capable of destroying the entire mission to ever guarantee success... Bravo to the NASA boys for all their hard work, even when it ends in expensive failure :)
What, me worry?
In the picture on the main web site the spacecraft looks very much like the main part of it is a Furby. Now that's a hack!
134340: I am not a number. I am a free planet!
Seriously though, this is good news, the more data we have on Mars, the easier it will be when we attempt to colonize it.
I can't help thinking that we are not spending enough money on cool space research like this. Why does congress always seem to resent paying for NASA ?
NASA is a clear demonstration to the world of Americas ingenuity and power. I think at times like these we should be looking to provide them with more funding rather than cutting their budgets. After all, space research has lots of practical spin-offs, like teflon for example.
There are three instruments on Odyssey. One is a gamma spectrometer that will be able to map the presence of permafrost and subsurface ice - obviously important. A second is an infrared spectrometer - not only will it be able to make a geological survey map of the minerals on the surface, it will be able to locate "hot spots" on the surface where there might still be liquid water and perhaps even life. The third instrument is a radiation monitor that was supposed to measure the dose an astronaut would receiv on a Mars mission. It appears to be broken, one hopes not from excesive radiation exposure.....
perhaps they can discover what happened to it, and when it will come back.
Why does everyone feel the need to falsely attribute various inventions as space program spinoffs?
Teflon was invented in 1938, well before anything that could even remotely be considered modern space research.
Don't get me wrong, space research is good, and it produces a valuable product: knowledge.
False attributions to the space program don't help with their budget problems, though. I'm not blaming you, however, NASA themselves is quite guilty of exaggeration.
Can anyone tell me why we just can't send a KH11 sattellite to Mars? It would give us all the imagery we would ever want and answer the questions we keep asking.
11:01 Odyssey turns on its telemetry and begins transmitting data at 40 bits per second. The Deep Space Network will take several minutes to synchronize their equipment with the pattern in the telemetry because of the slow rate at which the data is being received.
Okay folks, keep in mind we are celebrating the arrival in orbit of basically a relay transmitter. Putting up inteinfrastructure is nice (and yes, I know there are a few instruments on it) but this is mostly just for future probes, so they can have very low power transmitters and still get thru.
So long and thanks for all the fish . . . !!!
here's a cool link about the steps they take to get into orbit. my favorite part is that the first step involves 'turning off the fault protection software'. its not as bad as you think, though my immediate reaction was to imagine mission control saying "Well, we're only 100 kilometers away, we should be safe so let's just turn that fault protection stuff off. Or was it 100 miles?"
But couldn't you print times in posts like you do with the time the post was posted so it would adapt to user settings?
The kh-11 is designed to send real-time imagery from an orbital height of approx 200 miles (it often orbits lower) to TDRS type satellites in synchronous orbits at approx 25.000 miles. Mars is a bit further away than that. Now a landsat 7-band thematic mapping satellite with a stronger transmitter would be useful.
Best Slashdot Co
hawk
shouldn't that be break ?
Well... uuuh, so it's an american site, so what? I can still choose to have to time of when the story was posted shown in other timezones. So why not the story?
search for signs of life sustaining environments including water...
Didn't Nasa find water on Mars several times already? How will this mission tell us anything new?
Ceci n'est pas une sig
Toronto-area transit rider? Rate your ride.
The NASA people talk about the "great galactic ghoul" which lurks somewhere between Earth and Mars, which eats Mars-bound spaceprobes. It's their tongue-in-cheek attempt to explain why roughly half of all Mars probes fail -- some for apparently no reason.
Toronto-area transit rider? Rate your ride.
No "assertion failed" mean that I do equal "faggot". And gee, what a fine argument that is. Like.. oh no, I'd be really horrified to find out that I was gay... please. If anything, I'd be bisexual. Well, now I'm getting offtopic and feeding the trolls. Forgive me.
"Odyssey turns on its telemetry and begins transmitting data at 40 bits per second. The Deep Space Network will take several minutes to synchronize their equipment with the pattern in the telemetry because of the slow rate at which the data is being received."
"The spacecraft is currently 1.53e+11 meters from Earth. Even with a directional antenna, signal power drops with distance squared, so the path loss is on the order of 200 dB. That is, if the transmitter power is (say) 50 watts/m^2 at 1 meter away from the spacecraft, as measured from Earth it would be something like 10^-20 watts/m^2, not counting antenna gains. At those powers you'd be lucky to get 40 bits/s, simply by running into Shannon's limit. (Somebody check my math, I haven't had coffee this morning.)"
Now some quick math...
1 megabyte = 1,048,576 bytes... which = 8,388,608 bits... divided by 40 is 209,715.2 seconds. divided by 60 seconds = 3,495.25 minutes. divided by 60 minutes = 58.25 hours... So it would take 2 days 10 hours and 15 minutes to send 1 megabyte of data.
Now lets have some fun...
It would take 8 days and 6 hours to download an average 3 1/2 minute song in MP3 format.
It would take 1,553 days (or about 4 years and 3 months) to download the entire contents of a CD.
It would take about 425 years to download the entire contents of an average 60GB hard-drive.
Sound about right?
Once the high-gain antenna is up and running, expect to hear that Mars has joined the coalition against terrorism.
No word on bases. Yet.
I was watching the mission control footage, when the satellite came out of Mars' shadow, two mission control geeks went to high five each other, and missed. That's NASA for you: nerding it old school. ;-)
If you were blocking sigs, you wouldn't have to read this.
Don't you think it's sad that "the kind of good press Nasa needs right now" is "nothing particularly bad happens"?
Even though there's more important things going on in the world right now, nothing disappears into the news black hole faster than a successful space mission. A failed mission, on the other hand...
Random Musings at Rum Smuggler
Funny, wasn't that a story about someone who got lost for 20 years? Remind me again why someone thought that was a good mission name....
But would you trade 1 gravity well for 2?
I wonder if this time they'll try to take pictures of the 'artifacts' (like 'The Face') that were conspicously avoided by all the probes after Voyager. I'm not really in the conspiracy theories, but some things seem to go way against the natural odds...
"But to colonise it? Give me just one reason to justify such an incredibly expensive task."
Because one good-sized rock could hit the Earth, and that's it for humanity.
A self-sustaining settlement on another planet (or in space, though that's MUCH harder) gives the species the best chance to survive such an impact. Otherwise, it's up to mutant octopi to figure out how to get off the planet within 65 million years.
Then you figure out how to re-settle one planet from the other in the event of an impact. After that, you have a nice long 5-billion year stretch to figure out how to colonize another star system.
Terraforming the Sahara might be good practice, though.
Lately democracy seems to be based on the skybox, the Happy Meal box, the X-box, and the idiot box.
Hrm. Go here for updates..
"Breaking News Updates
Wednesday, Oct. 24
11:32 a.m. ET: Hours after Mars Odyssey entered orbit, concerns were raised about the spacecraft smacking into Phobos -- one of two natural moons circling Mars. More data was needed to plot Odyssey's exact orbit. "
That would really suck... get all that way, have a great burn and WHAP.
Damn pesky moons...
Neurowiz
Good for the technology crowd. Get more info HERE: http://globonews.globo.com/GloboNews/article/0,699 3,A142146-571,00.html
In portugese, so learn another language like your mom tells you too or use the fish.
and SHUT UP about teflon and velcro. damn!
If voting could really change things, it would be illegal.
This is flat-out wrong. NASA specifically made a big deal about publicizing the images taken of the "face" by Mars Global Surveyor. You can see one of the many NASA pages that compares the 1976 Viking image with the MGS image here. MGS images of the other supposed "artifacts" are linked from that page.
:)
Now, are you sure you aren't into conspiracy theories?
Liberal (adj.): Free from bigotry; open to progress; tolerant of others.
I was wondering why the craft kept radioing back "Noo light waah!" every time it passed into Mars's shadow!
One line blog. I hear that they're called Twitters now.
And did they change the default passwords?
Gotta watch out for those Martian script-kiddies!
One line blog. I hear that they're called Twitters now.
I know NASA likes to re-use names for spacecraft, but should they really have re-used "Odyssey"???
After all that was the name of Apollo 13's Command Module... you know the one that blew up and almost killed 3 astronauts, who had to use the lunar module "Aquarius" as a space-lifeboat.
For certain, they'll never use the name "Challenger" ever again, but "Odyssey" is almost as ill-bodig of a name for a spacecraft, IMHO.
Amazing what NASA can do when they don't use the English system of measurement!
Men believe what they want. - Caesar
The near-disaster Galileo Jupiter probe has been operating satisfactorily for six years at a 10 bps transmission rate. About once a month it makes a close moon flyby, snaps a few dozen pictures and records them on tape. Then during the empty parts of its orbit it tranmits the pictures back to earth at about two per day.
The main Galileo antenna which was over a thousand times faster failed to open- a near embarassment to NASA. The mission was re-programmed enroute to use the slow antenna, and achieve 70% of the original objectives.
Never underestimate the power of cheese...
Apparently they have learned to calculate with SI units this time... :)
"The Mars Odyssey spacecraft appears to have succeeded Tuesday night in one of the most tricky and critical parts of its missions by slipping into orbit around the Red Planet."
Farewell, little droid...
The APOD (Astronomy Picture of the Day), has a picture of what this MIGHT have looked like... in natural and false-colouring... and as always, tons of informational links.
M@
Krispy Cream is people