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Post by Arijon van Goyen on May 10, 2018 11:26:32 GMT
I side with team Tesla... I have something for team Einstein
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mousestalker
Inactive Moderator
ღ The Untitled
Just here for the cosplay
Staff Mini-Profile Theme: Mousestalker
Games: Mass Effect Trilogy, Dragon Age: Origins, Dragon Age 2, Dragon Age Inquisition, Baldur's Gate, Neverwinter Nights, Jade Empire, Mass Effect Andromeda, SWTOR
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Post by mousestalker on May 10, 2018 12:54:58 GMT
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Post by Terminator Force on May 10, 2018 13:23:28 GMT
Can you back that with science? But maybe do it here. As far as I know, all the experiments that prove the Earth is motionless has been conveniently pushed aside by Einstein getting rid of the aether; He even says gravitational waves cannot be detected. Therefore Einstein is preaching faith based science, because you just have to "believe."
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Post by Terminator Force on May 10, 2018 13:26:11 GMT
[short 18 second video clip] ^ This science lesson should give us an idea of the vacuum of space. Which is why some very clever engineers have devoted considerable time to designing space craft that will not explode. Also, if the force of the vacuum were truly irresistible, the elephants would have been sucked into space and the disk would teetering on the back of the Great A'Tuin.
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Post by Deleted on May 10, 2018 14:25:09 GMT
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Post by Terminator Force on May 10, 2018 14:34:55 GMT
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Post by Terminator Force on May 10, 2018 15:48:55 GMT
Welcome to the age of pseudoscience.
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Post by Deleted on May 10, 2018 17:25:24 GMT
Ok, complex question: Since the sun and ALL planets will be positioned (total distance = 70 Km/hr x 24 x days to reach object) ahead of their current position, their 'z' (not x,y) trajectory is aimed ahead accordingly, as the sun travels forward too? Or, since the momentum of all planets are always moving 70 Km/hr in this z direction with the speed of the sun, does this cancel out the need for adding this forward z-plane distance factor in trajectory calculations? I'm asking this question very poorly, as this subject is outside my realm of knowledge. I'll do some reading on space travel trajectories, but I am wondering if someone here has an answer. My father worked in the artillery, and m mentioned that when a ballistic object is fired to hit a target 20 miles away, the rotation of the earth is factored into the trajectory calculations. Is the z-direction, perpendicular to the x,y plane, a factor? Many thanks. It's interesting science!
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Post by mattig89ch on May 10, 2018 21:46:07 GMT
^I love the idea of 3d printing. And as soon as they can make it practical for everyday use, I want one. So this just seems even more awesome to me.
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Post by q5tyhj on May 10, 2018 22:27:00 GMT
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Post by Terminator Force on May 10, 2018 22:47:16 GMT
Ok, complex question: Since the sun and ALL planets will be positioned (total distance = 70 Km/hr x 24 x days to reach object) ahead of their current position, their 'z' (not x,y) trajectory is aimed ahead accordingly, as the sun travels forward too? Or, since the momentum of all planets are always moving 70 Km/hr in this z direction with the speed of the sun, does this cancel out the need for adding this forward z-plane distance factor in trajectory calculations? I'm asking this question very poorly, as this subject is outside my realm of knowledge. I'll do some reading on space travel trajectories, but I am wondering if someone here has an answer. My father worked in the artillery, and m mentioned that when a ballistic object is fired to hit a target 20 miles away, the rotation of the earth is factored into the trajectory calculations. Is the z-direction, perpendicular to the x,y plane, a factor? Many thanks. It's interesting science! If you father worked in the artillery, ask him how a long range electromagnetic gun shooting at 5600 mph (mach 7, which is 7 times the speed of sound) can hit it's target over 110 miles on a globe Earth without shooting through 1.5 miles of the Earth's curvature?
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Post by Deleted on May 10, 2018 23:11:40 GMT
My father worked in the artillery, and m mentioned that when a ballistic object is fired to hit a target 20 miles away, the rotation of the earth is factored into the trajectory calculations. Is the z-direction, perpendicular to the x,y plane, a factor? Many thanks. It's interesting science! If you father worked in the artillery, ask him how a long range electromagnetic gun shooting at 5600 mph (mach 7, which is 7 times the speed of sound) can hit it's target over 110 miles on a globe Earth without shooting through 1.5 miles of the Earth's curvature? An interesting video. Thank you for posting it here. I enjoy learning about this part of science! I don't know if you are being snippy with me, but I don't know enough to understand the question you're asking. Dad is now quite elderly and wouldn't be able to address your question about the calculations that were used with the missile batteries; it's been quite a while for him. I simply remember him telling me some years ago that ballistic launches factored in the earth's rotation during the flight time to target, humidity, and other factors that surprised me when I listened to him. That's all.
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Post by Terminator Force on May 10, 2018 23:40:31 GMT
If you father worked in the artillery, ask him how a long range electromagnetic gun shooting at 5600 mph (mach 7, which is 7 times the speed of sound) can hit it's target over 110 miles on a globe Earth without shooting through 1.5 miles of the Earth's curvature? An interesting video. Thank you for posting it here. I enjoy learning about this part of science! I don't know if you are being snippy with me, but I don't know enough to understand the question you're asking. Dad is now quite elderly and wouldn't be able to address your question about the calculations that were used with the missile batteries; it's been quite a while for him. I simply remember him telling me some years ago that ballistic launches factored in the earth's rotation during the flight time to target, humidity, and other factors that surprised me when I listened to him. That's all. Can you PM me with the answer to your question? I'd like to know what point you are trying to make. Thanks. K Ask him if the Earth is a soccer ball.
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Post by B. Hieronymus Da on May 10, 2018 23:45:50 GMT
Ok, complex question: Since the sun and ALL planets will be positioned (total distance = 70 Km/hr x 24 x days to reach object) ahead of their current position, their 'z' (not x,y) trajectory is aimed ahead accordingly, as the sun travels forward too? Or, since the momentum of all planets are always moving 70 Km/hr in this z direction with the speed of the sun, does this cancel out the need for adding this forward z-plane distance factor in trajectory calculations? I'm asking this question very poorly, as this subject is outside my realm of knowledge. I'll do some reading on space travel trajectories, but I am wondering if someone here has an answer. My father worked in the artillery, and m mentioned that when a ballistic object is fired to hit a target 20 miles away, the rotation of the earth is factored into the trajectory calculations. Is the z-direction, perpendicular to the x,y plane, a factor? Many thanks. It's interesting science! I don't know what you ask about? Are you asking if celestial navigating in the Solar system takes the Solar system's motion into consideration? The motion relative to what? This is one problem with that new-age video. One reasonable guess would be they're thinking of the Sun's orbit around the center of the Milky Way? The problem is that the Sun's orbital speed is neither 70,000 Km/h nor 70 Km/h. It's like 790,000 Km/h or 490,000 Mph or 220 Km/sec. Nor does the Sun drag its planet system's plane at a right angle like that. Not quite. Further, the Sun creates its own bubble of space, with its radiation and solar wind. This bubble, the Heliosphere, follows the Sun. Also outside this bubble, the Galactic stuff locally close to the Sun, moves in the Galaxy at a speed fairly close to the Sun. So the Sun is not really moving 'through' anything. Taking the Sun's motion into account? The always general, simple and straightforward answer to that is it depends on if the Sun moves in the coordinate system you have chosen. It doesn't have to. You can view things from the reference frame of the Sun. Note that we are now not talking about the solar system's movement. Just the Sun. The Sun moves in a coordinate system fixed to Earth for instance. I mention all this just to stress that motion is relative. Do you need to 'aim ahead', to compensate for any movement of the Solar system, relative to any Galactic or Universe feature, for navigating inside the solar system? Of course not. But otherwise the analogy to artillery is totally relevant. Because you do need to take into account both the Earth's rotation and the Earth's orbital velocity around the Sun. Those are velocities you will have with you. And you do need to consider the future position of the target.
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Post by Deleted on May 10, 2018 23:59:02 GMT
and Pill
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Post by mattig89ch on May 11, 2018 10:42:21 GMT
Question for everyone. What happened to that flat earther who launched himself high into the atmosphere? I know he built the rocket, he launched it, and he came back down. But that's the last I heard of him. Did he see the curve of the earth?
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Post by Terminator Force on May 11, 2018 12:01:23 GMT
Question for everyone. What happened to that flat earther who launched himself high into the atmosphere? I know he built the rocket, he launched it, and he came back down. But that's the last I heard of him. Did he see the curve of the earth? Why would you when you can safely send high altitude balloons with cameras?
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Post by mattig89ch on May 11, 2018 19:01:09 GMT
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Post by Terminator Force on May 12, 2018 2:07:43 GMT
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mousestalker
Inactive Moderator
ღ The Untitled
Just here for the cosplay
Staff Mini-Profile Theme: Mousestalker
Games: Mass Effect Trilogy, Dragon Age: Origins, Dragon Age 2, Dragon Age Inquisition, Baldur's Gate, Neverwinter Nights, Jade Empire, Mass Effect Andromeda, SWTOR
Posts: 12,116 Likes: 30,354
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Post by mousestalker on May 14, 2018 16:20:32 GMT
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Post by Terminator Force on May 14, 2018 19:28:00 GMT
Thought this was the science thread (observable, repeatable)... Anyway, here's some real science; Water always finds it's level.
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Post by Deleted on May 14, 2018 19:45:47 GMT
Thought this was the science thread (observable, repeatable)... Anyway, here's some real science; Water always finds it's level. Interesting choice, given the fact that seeing the ships sails before you see the hull was an early indication that the world is indeed curved. The bottom picture is actually more accurate than the top. Might wanna try a different tack...
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mousestalker
Inactive Moderator
ღ The Untitled
Just here for the cosplay
Staff Mini-Profile Theme: Mousestalker
Games: Mass Effect Trilogy, Dragon Age: Origins, Dragon Age 2, Dragon Age Inquisition, Baldur's Gate, Neverwinter Nights, Jade Empire, Mass Effect Andromeda, SWTOR
Posts: 12,116 Likes: 30,354
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Post by mousestalker on May 14, 2018 19:56:48 GMT
Actually water is curvy all the time. If you place it in a clear container it curves up at the edges of the container. Left unbounded it curves down. You can try it at home. #funexperiments #adventuresinhydraulics
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Post by Terminator Force on May 14, 2018 20:12:34 GMT
Thought this was the science thread (observable, repeatable)... Anyway, here's some real science; *snip8 Water always finds it's level. Interesting choice, given the fact that seeing the ships sails before you see the hull was an early indication that the world is indeed curved. The bottom picture is actually more accurate than the top. Might wanna try a different tack... Ships over the horizon has been debunked; (20:07 minutes) (1:28 minutes)
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Post by Terminator Force on May 14, 2018 20:14:59 GMT
Actually water is curvy all the time. If you place it in a clear container it curves up at the edges of the container. Left unbounded it curves down. You can try it at home. #funexperiments #adventuresinhydraulics That's because of very little surface tension (same as small water droplets from rain and such). Not the same on a large scale with greater surface tension.
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