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10/1958 Luna1958B Launch failure Impactor to impact the lunar surface
11/1958 Pioneer2 Failed to achieve lunar trajectory Orbiter to obtain lunar orbit
12/1958 Luna1958C Launch failure Impactor to impact the lunar surface
12/1958 Pioneer3 Launch failure Probe to flyby the moon
01/1959 Luna1 Flyby Impactor -radio equipment
-tracking transmitter
-telemetering system
-magnetometer
-geiger counter
-scintillation counter
- micrometeorite detector
to impact the lunar surface (failed)
achieved first lunar flyby
03/1959 Pioneer4 Flyby Probe to flyby the moon
passed within 60,000 kilometers (37,300 miles) of the Moon, returned data on lunar radiation levels, then entered a solar orbit
06/1959 Luna1959A Failed to reach earth orbit Impactor to impact the lunar surface
08/1961 Ranger1 Engine failure in Earth orbit Probe -two channels
-channel 1 - 2 full scan cameras (1 wide angle camera, 1 narrow angle camera)
-channel 2 - 4 partial scan cameras (2 wide angle cameras, 2 narrow angle cameras)
to test the feasibility of going into a parking orbit around Earth before heading out to the Moon. A parking orbit would give engineers time to calculate a much more accurate trajectory for the spacecraft to follow to the Moon.
Ranger 1 made it into low Earth orbit. Its engines failed and it re-entered Earth's atmosphere
01/1962 Ranger3 Failure Lander as for Ranger1
Ranger 3 missed the Moon and ended up in a solar orbit
04/1962 Ranger4 Computer failure Lander as for Ranger1
to take close-up images of the Moon before impacting with its surface
after computer failure, crashed on the farside of the moon
10/1962 Ranger5 Failure Lander as for Ranger1
to take close-up images of the Moon before impacting with its surface
solar cell failed shortly after launch and the spacecraft missed the moon by 720 kilometers (450 miles)
01/1964 Ranger6 Failure Impactor as for Ranger1
to take a series of images on approach to the Moon, up to the point of impact
spacecraft's cameras failed and no pictures were returned. Ranger 6 crash-landed in the Sea of
Originally posted by pepsi78
If I'm speaking crap let's look at the rate of success.
let's see how hard was to acive orbit on the moon
Still only a few clear pics i've managed to find of the far side of the moon.
Originally posted by pepsi78
yes yes yes, magnetic fields do act and have efects on satelites
www.satobs.org...
Magnetic fields can be used to maintain decline or raise orbit
www.itsf.org...
LEO independent station is descending into a to low orbit. By running current in an wire suspended perpendicular to the magnetic field of Earth, the station is raised into a higher orbit without using external propultion.
I saw that you said 3 or 4 launches will be enough to build a bigger ship...maybe you're wright on that (though you didn't understand that the Ares launcher doesn't exist yet, that actualy the Ares launcer will be used to make the moon missions possible). But don't you think that with that 3 or 4 launces you could go to the moon 3 or 4 times with the same money needed to build that spacecraft of yours
in earth orbit? Wouldn't that be more efficent?
No Because:
1 The design that will go to the moon will only be able to deploy in one place.
2 Because the design is not reusable.
pepsi78
but I see smart one had an engine, now that is something diferent, satelites that stay in orbit do not have means to power them selfs, smart 1 did something else, in was not really on orbit, the moon didint keep it in orbit, it pulled that by it's self, it started to circle the moon way before it got in orbit to the moon, it was able to do so because it was powerd by a ION drive, regular satelites would not be able to do that on jet propulsion, regular satelites sent to the moon do not have viable propulsion sistems
Originally posted by pepsi78
Orbit? what are you talking about? nasa has never made a complete orbit of the moon with people on board, due to transmision limitations, the moon would block the transmision, there are no ways to relay the signal.
Originally posted by neformore
Originally posted by pepsi78
Orbit? what are you talking about? nasa has never made a complete orbit of the moon with people on board, due to transmision limitations, the moon would block the transmision, there are no ways to relay the signal.
Pepsi.
This quote - from one of your earlier posts in this thread - is total and utter crap.
You are wrong with what you said here. Please admit it.
The Apollo programme is basic science history. You can read about it here;
Apollo Programme
A geosynchronous orbit is a geocentric orbit that has the same orbital period as the sidereal rotation period of the Earth. It has a semi-major axis of 42,164 km (26,200 miles). In the special case of the geostationary orbit, an observer on the ground would not perceive the satellite as moving and would see it as a fixed point in the sky. Such orbits are useful for telecommunications relays. In the more general case, when the orbit has some inclination and/or eccentricity, the satellite would appear to describe a more or less distorted figure-eight in the sky, and would rest above the same spots of the Earth's surface once per sidereal day.
wikipedia
Astrodynamics is the study of the motion of rockets, missiles, and space vehicles, as determined from Sir Isaac Newton's laws of motion and his law of universal gravitation. It is a specific and distinct branch of celestial mechanics, which focuses more broadly on Newtonian gravitation and includes the orbital motions of artificial and natural astronomical bodies such as planets, moons, and comets. Astrodynamics is principally concerned with spacecraft trajectories, from launch to atmospheric re-entry, including all orbital maneuvers, orbit plane changes, and interplanetary transfers
Circular orbits
Although most orbits are elliptical in nature, a special case is the circular orbit, which is an ellipse of zero eccentricity. The formula for the velocity of a body in a circular orbit at distance r from the center of gravity of mass M is:
v= sqrt(G*M/r)
where G is the gravitational constant, equal to 6.672 598 × 10−11 m3/(kg·s2)
form Space mathematics
They had permanent contact with the astronauts when they were on the moon because they were on the near side of the moon. The TV transmission we all saw was from the moon, not from the orbiter!
Originally posted by pepsi78
Dude wtf? what I insisted on is that the majority of the apollo missions were geostational before entering the moon, or cant you understand that geostatioal and low orbit are 2 diferent things , bolth can be called orbiting, plus why explain to me how geocentric orbiting works, I already know that.
You felt you had to explain, didint you?
they dont circle the planet, you can stay in orbit with out circleling the earth
is it a geo stational satelite on a stationary orbit, or is it a satelite that rotates around the moon, that is highly unlikely, because the moon has a weak magnetic field so if it would rotate around the moon it would just jump off orbit, gravity is a factor also , it cant keep it in orbit if it's rotating around the moon, the moon has no force to to keep it in orbit rotating, the body of the moon would have to keep it rotating , and that is just not posible
My mistake, I see that it did circle the moon, because it had a ion drive prototipe engine permiting it to just function out of solar power, it's aproach to the moon was slow, and it's solar based power sistem permited it to circle the moon, from what I read it is the only satelite that had success, the only one that made it and did the job
It does, for a fact , smaller rocks are bounced off in to space on earth because we got a strong magnetic field, on the moon the magnetic flux is weak , there for what ever comes in go's down
plus why explain to me how geocentric orbiting works, I already know that.
You felt you had to explain, didint you?
What I've said but it seems you cant understand is that there are 2 main ways of orbiting.
1 orbiting and moving with the body of the planet at the same time.
2 orbiting and moving around the planet, not at the same time with the planet.
Most of the apollo missions aplyed number 1, simply because there was no need to circle the moon, the landing site was in front of them on the visible part of the moon.
Going around the moon and transmiting is not posible , because there is no relay sistem to do that.
Originally posted by neformore
Hi guys.
Isn't it sad when someone who is obviously so misinformed on a subject that is established fact, would rather spend time arguing with the numerous people trying to correct, educate and inform them, than actually read up about the subject at hand?
Anyone got a wall for me to smash my head against?