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Originally posted by Zaphod58
But sending an unmanned probe to Mars is a HUGE difference from sending a manned mission to the moon. It's also cheaper.
Originally posted by blue bird
Do you find it odd that the blueprints LM and Moon Buggy were destroyed when it was one of history's biggest accomplishments?
An aeroshell and a parachute decelerate the lander through the Martian atmosphere.
Prior to surface impact, retro-rockets are fired to slow the lander´s speed of descent, and airbags are inflated to cushion the lander at surface impact.
After its initial impact, the lander bounces along the Martian surface until it rolls to a stop.
The airbags are then deflated and retracted, and the lander petals and rover egress aids are deployed.
Once the petals have opened, the rover deploys its solar arrays, and places the system in a safe state.
marsrovers.nasa.gov...
Originally posted by tom goose
have there been any controlled decents on the moon or any other planet since Apollo?
the last time is seen nasa put a machine on planet, they dropped it and hoped it bounced to a convenient spot. I thought they knew how to control a decent onto the moon. how come they couldn't do it on mars.
do you remember the balloons they used to bounce it
it seemed like something out of a cartoon, it was hard to believe that it was really goint to happen.
No wonder we havn't gone back to the moon. It would have to look exactly like it did the first time, and if the first time wasn't real, then how are they supposed to repeat it.
marsrovers.nasa.gov...
is this how they landed apollo?
Originally posted by Majic
A League Of Their Own
In other words, if we don't agree with you, we're not smart enough to discuss the issue with you?
I can live with that.
Originally posted by Mysteri
and also the NEAR Shoemake crashed on the asteroid, fyi
On Monday, 12 February 2001, the NEAR spacecraft touched down on asteroid Eros, after transmitting 69 close-up images of the surface during its final descent. Watching that event was the most exciting experience of my life. I was asked immediately afterwards how I felt, and I mumbled something about being tired and happy, but I missed the point. I realized afterward what I should have said: it was like watching Michael Jordan on the basketball court, when the game is on the line and he is in the groove. One miracle after another unfolds, and we are left stunned and speechless. When we learned that the spacecraft had not only landed on the surface, but was still operational, we hardly knew what to think.
The spacecraft then made a slow controlled descent to the surface of Eros ending with a touchdown just to the south of the saddle-shaped feature Himeros on February 12, 2001 at approximately 20:01 UT (3:01 p.m. EST). To the surprise of the controllers, the spacecraft was undamaged and operational after the landing at an estimated speed of 1.5 to 1.8 meters per second (thus becoming the first spacecraft to soft-land on an asteroid).
Originally posted by Mysteri
no no no, my friend i was watching the nasa tv special, it only managed to take a few pic before it collided with the surface
oh and use the link dum dum
Originally posted by Mysteri
oh and use the link dum dum