I watched this launch courtesy of NASA television, from my home in Jefferson. Watching this gave me a further understanding, even appreciation, for how much goes into a launch. How many processes need to be gone through before a shuttle can even leave the ground. It also broadened my understanding of how these machines work, what’s required to rendezvous with the International Space Station, and how hard it really is to make it to space.
Notes-Observation
Observation-Launch of Space Shuttle Discovery to the international space station.
Time- 7:43pm, EDT
-Observation began at T-2 minutes to Discovery launch
-Fueling arm at top of launch tower just being retracted
-Small bat spotted clinging to Discovery’s external fuel tank. Problem declared non-critical to launch.
-T-10 seconds: FDO (flight dynamics officer) declares Discovery has a go for auto sequence start.
-T-6 seconds: FDO declares “Main engines start” as Discovery’s three main engines begin burning.
-T-0 seconds: SRBs (solid rocket boosters) start and FDO declares “We have liftoff!”
-T+3 seconds: FDO declares “Discovery has cleared the tower” meaning Houston now had complete control over Discovery, and Kennedy Space Center’s job was done.
-The next call made was the “Go at throttle up,” asking Discovery to increase throttles to full power.
-Next came the “Negative return” call, meaning Discovery had reached an altitude where if something were to go wrong, they could not return to KSC.
-The next call was the order for Discovery to roll level to the earth and jettison the massive external tank.
Monday, March 23, 2009
Thursday, March 5, 2009
Final Focus; further research needed
When I wrote my Blog Analysis essay, it became real to me that there were very few things that I needed to know more about. If there was anything I would be interested in pursuing is the Altair Lunar Lander (The craft designed to land on the moon) and how they plan to solve the problem of dust rising around the landing sight. (Something that was a big problem in the Apollo missions. There is no GPS on the moon, landing is done largely by identifying landmarks on the lunar surface. Hence, if the dust flies up, they can no longer see those landmarks, and they could be landing on jagged rock, a major catastrophe.) I feel that as far as the Ares rocket is concerned, progress has been made since the blog started, but it has been very slow and filled with delays. Though it is late in the blog project for this, I think the best choice would be to broaden the research to things also related to the rocket. For instance, the lunar lander, the Orion crew capsule, and the astronauts that will be going to the moon. My oral presentation will talk about the problems that the project has endured, and what is being done to fix them. If I find in the next few weeks that there are problems with the Altair Lander and the Orion capsule, I will add those to the oral presentation. The main problem is stability on the launch pad.
Sunday, March 1, 2009
Notes (Remembering Spider and Gumdrop)
-Spider was Apollo 9's Lunar Excursion Module (LEM).
-Gumdrop was the Command Module (CM)
-Crew-Russell Schweickart, Pilot of LEM. David Scott, Pilot of CM. James McDivitt, Commander.
-Most complex space mission to that date.
-Purpose was to prove that landing on the moon could be done.
-Gumdrop had to separate from the rocket, turn around, and extract the LEM from it's housing inside the rocket.
-On day three of the mission, Schweickart and McDivitt moved through the tunnel and into the Lunar Module.
-On day four, they donned pressure suits for Schweickart's Spacewalk on the outside of the Lunar module.
-David Scott simultaneously opened the hatch on the CM, just a few feet away from Schweickart.
-On day five, McDivitt and Schweickart test fly the Spider, by undocking and flying one hundred miles away from Gumdrop, then piloting Spider back to Gumdrop and Re-docking.
-Spider descended to just 86 miles above the earths surface and jettisoned the launch platform that would be left on the moon had it not been a test flight.
-The docking was successful. It was critical to dock because the LEM does not have a heat shield and therefore cannot return safely to earth.
-The Spider was then Launched away from Gumdrop, which held the three astronauts.
-The final five days were of great value to the scientific community as they were spent taking photographs from high earth orbit.
-The mission was completed without further complication.
-Gumdrop was the Command Module (CM)
-Crew-Russell Schweickart, Pilot of LEM. David Scott, Pilot of CM. James McDivitt, Commander.
-Most complex space mission to that date.
-Purpose was to prove that landing on the moon could be done.
-Gumdrop had to separate from the rocket, turn around, and extract the LEM from it's housing inside the rocket.
-On day three of the mission, Schweickart and McDivitt moved through the tunnel and into the Lunar Module.
-On day four, they donned pressure suits for Schweickart's Spacewalk on the outside of the Lunar module.
-David Scott simultaneously opened the hatch on the CM, just a few feet away from Schweickart.
-On day five, McDivitt and Schweickart test fly the Spider, by undocking and flying one hundred miles away from Gumdrop, then piloting Spider back to Gumdrop and Re-docking.
-Spider descended to just 86 miles above the earths surface and jettisoned the launch platform that would be left on the moon had it not been a test flight.
-The docking was successful. It was critical to dock because the LEM does not have a heat shield and therefore cannot return safely to earth.
-The Spider was then Launched away from Gumdrop, which held the three astronauts.
-The final five days were of great value to the scientific community as they were spent taking photographs from high earth orbit.
-The mission was completed without further complication.
Monday, January 12, 2009
kyle S responce
you might want to think about adding a couple more articles. but all in all nice job
Thursday, January 8, 2009
Alex final respones
Good article but you need to cite your sources and you need more articles. your 4Th article in good.
Mitchel Response
Nice job with article 4. The only thing I found wrong was you need to title your articles. Also the missing citations should be fixed. Get the 5 and 6 done.
Saturday, January 3, 2009
Ares is yet another step closer to the moon, even with the idea still undergoing testing. Recent information says that the test date in April will need to be delayed, due to construction problems and research. I found the article helpful but slightly repetitive. Ideas were reiterated by various experts, but the only thing evident was that there needs to be improvements made to the launch pad to aid in the rockets stability. I also found it interesting that while designing the rocket, they couldn't have come up with the idea that it would be insanely top-heavy and unstable, with a first stage (Bottom) base of only 13 feet. These wind tunnel tests were critical to the mission in many ways, first, it would have been beyond disasterous if they had Ares on the launch pad, and it simply fell over.
Ares Wind Tunnel Tests
-Tests resemble much like the Apollo era testing.
-Stability of the rocket while on the launch pad a major concern for NASA officials.
-Experts stay that while the Rocket is being transported from the VAB (Vehicle Assembly Building), it can stay upright in 47 knot winds, if traveling at .9 miles per hour.
-Ares to be 325 feet tall. Over twice the height of a space shuttle.
-Winds factor because of the work that needs to be done to the rocket, even when its on the launch pad.
-Ares can sway up to eight feet in the wind without falling, but much more than three inches can prevent crews from working on the rocket safely.
-Stability of the rocket while on the launch pad a major concern for NASA officials.
-Experts stay that while the Rocket is being transported from the VAB (Vehicle Assembly Building), it can stay upright in 47 knot winds, if traveling at .9 miles per hour.
-Ares to be 325 feet tall. Over twice the height of a space shuttle.
-Winds factor because of the work that needs to be done to the rocket, even when its on the launch pad.
-Ares can sway up to eight feet in the wind without falling, but much more than three inches can prevent crews from working on the rocket safely.
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