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96 Comments
- bnoble, on 10/12/2007, -0/+2Um, I kinda crashed that ***** in the most horrible way possible:
http://www.mundungus.com/images/foxcrash.jpg - shawgo, on 10/12/2007, -0/+2This is the kind of stuff Firefox needs to take over the browser market. Eventually, every page you go to will be saying you need firefox to view it. Everyone will be switching.
- trogdoor, on 10/12/2007, -0/+1space angle: 90 force: -146.770677719816987405465624760836362838746
Go to the center of the earth, stop completely, then continue moving. It took me 5 mins to make a program to find the number that makes you stop the longest and another 5 to actually get it. - rc_collins, on 10/12/2007, -0/+1orbit level
0
6.81
perfect dead on.
--dan - sakibomb, on 10/12/2007, -0/+1for a good time try:
launch angle 0, launch force 1000
wheeeeee! - sudoman, on 10/12/2007, -0/+1lol.
"SPOILER": I'd have to say that the moon most certainly formed from dust or rings around the earth. This is possible if dust is pulled into an eliptical orbit around earth. What happens is that dust particles collide with one another, canceling motion towards and away from the earth and also forming a single plane of rotation. Eventually with enough dust and collisions a ring or a moon can form. No, I don't think that the moon was put in place, though this is a very cool demonstration. ; ) - sudoman, on 10/12/2007, -0/+1oh also... a moon could theoretically form at the same time as a planet just as planets are a natural evolution from young solar systems. Angular momentum is preserved through the creation of bodies in a solar system. So if the ball of gas that eventually forms the solar system is spinning, so will and does everything else. Since not everything always forms the same single mass, planets are formed etc. which also rotate in addition to revolving depending on how precisely the matter that they consist of impacted or collected.
- JCinDE, on 10/12/2007, -0/+1Interesting, but incomplete simulation. The instructions seem to imply that the author is promoting a "hand of god" theory and like all "religious science" it conveniently leaves out a good deal of facts.
For instance, the impact theory as described in this simulation has the moon as a solid body being launched from the earth as a solid body. That's WAY off. The real impact theory suggests that a stellar body collided with the earth when the earth was not fully formed and was still molten. In such a scenario, the impact could have separated a small portion of the earth's matter from the earth itself. BOTH bodies would be propelled away from one another by the force of the impact. This simulation does not provide for that and, therefore, achieving a circular orbit from the ground level is impossible.
Even my explanation is an oversimplification, mind you. I'm sure there are physics or astronomy gee^H^H^H Diggers out there who will be quick to point out my errors. ;-)
It's a neat SVG example, anyway. - binarypower, on 10/12/2007, -0/+0Ground level
Launch angle
0
Launch force
4000000000000000
I submitted this to Bugzilla :-p - billmarrs, on 10/12/2007, -0/+0Outer, angle: 220, force 4.95
Stable, but I wouldn't want to live on the part of the earth where it nearly skims. - g026r, on 10/12/2007, -0/+0Interesting... I took clickwir's number and had some fun with it. You drop one decimal place from it, and it doesn't work; however, if you add a negative sign to this new number (the one with a dropped decimal place) then it does work.
- billmarrs, on 10/12/2007, -0/+0Has anyone managed to get a stable orbit after a bounce? I've been trying to get one for the last hour, but I haven't been able to pull it off.
- mcfo, on 10/12/2007, -0/+0heh heh ... try to get the moon to come back to it's original spot from a 'ground level launch' ... I think I steam-rollered the entire northern hemisphere and most of africa.
- g026r, on 10/12/2007, -0/+0(For the curious: it appears to diverge after the 15th decimal place)
- FierceGrape, on 10/12/2007, -0/+0Orbit level/Launch angle=1.77/Launch force=6.83
- anthonywr, on 10/12/2007, -0/+01.9/10, though I wouldnt like to be a tall person at the north pole
- philipholden, on 10/12/2007, -0/+0Just to respond to a few points:
The moon is not made of a condensed gas (cheese maybe). Even if it was what made the gas spin round the earth at the right speed to put it into orbit.
The gravity strength in the simulation does decrease the further you get from the earth. 1/(distance*distance)
Planets with rings show no sign of the rings turning into moons the rings are stable. How a ring gets round a planet is even more interesting.
It does not matter if the Earth was molten when a commet struckit. The force of gravity applies to liquids the same as solids. The only difference is that a liquid is more wobbly. - aasgnt, on 10/12/2007, -0/+0Angle: 3.14
Force: 5 - dgath, on 10/12/2007, -0/+0still orbiting 18 hours later. =)
- trogdoor, on 10/12/2007, -0/+0use a negative force to go the other direction
- trogdoor, on 10/12/2007, -0/+0To burrow through the center of the earth bounce and go back out again ground level angle: 90 force: -200
- trogdoor, on 10/12/2007, -0/+0orbit angle:90 force: -146.77 burrow to the center of the earth and return to the beginning.
- jayf, on 10/12/2007, -0/+0Cool.
I got some elliptical orbit going with a launch angle of 15 and a launch force of 7. - yoda715, on 10/12/2007, -0/+0Almost perfect: Orbit Level: Angle = 0 Power = 6.8454934
Man, this is addicting, heh. - mnm1200, on 10/12/2007, -0/+0Hmm... I thought force was in Newtons. I've never before seen Firefox (or any other program) eat up RAM so fast. I went from 20MB to 700MB+ in a matter of 5 seconds!
- Mongoose, on 10/12/2007, -0/+0Cool. /Dugg.
- MooBob42, on 10/12/2007, -0/+0Here's a better game:
Spaced Penguin! http://www.bigideafun.com/penguins/arcade/spaced_penguin/default.htm - gisguy, on 10/12/2007, -0/+0almost perfect!! from orbit 180 degrees 6.85 launch
- hiro, on 10/12/2007, -0/+0170/5 is spot on for me
- Goner, on 10/12/2007, -0/+0space, angle 201 force 4 nice eliptical orbit.. surf's up baby!
- trogdoor, on 10/12/2007, -0/+0ground angle: 90 force: -104.1 burrow through the middle of the earth and stop at the other end
- sublime, on 10/12/2007, -0/+0The perfect orbit is at Angle 0, Launch Force 4.7
You will notice the ball (er.. moon) come back around and touch the original launch position perfectly every time. - CypherXero, on 10/12/2007, -0/+0Orbit Level, Launch Angle: 0.8, Launch Force: 6.8
- TiMMY8765, on 10/12/2007, -0/+0firefox alpha builds dont seem to crash with huge values.
- kcornwell, on 10/12/2007, -0/+0XML Parsing Error: not well-formed
Location: http://isthis4real.com/orbit.xml
Line Number 152, Column 14: - lenhap, on 10/12/2007, -0/+0Anyone else notice that this is using the most basic of Newtonian physics? Not saying it isn't fun or a cool demonstration of svg, but the explanations on the bottom are horrible... He isn't even taking into account that the further a body is from another body the less gravity is affecting the two bodies, which is how an orbit will change over time until it stabilizes or ceases.
- ironcamel, on 10/12/2007, -0/+0Was anyone able to get it to work starting from the ground? I spent way too much time trying to get it to work with no luck. I can get a non circular orbit with the moon scraping the ground. But I'm wondering if it is possible to get a perfect orbit.
- scottmc, on 10/12/2007, -0/+0Ground, angle 2, force 9.7 will give several revolutions before finally crashing back to earth. 9.6 went 3 or 4 times around, 9.7 lasted 5 minutes or so.
- ColdChilli, on 10/12/2007, -0/+0joshv said "Crash firefox - force = 1000"
- LordJezo, on 10/12/2007, -0/+0SVG still does not work on many pages. Going through the google results for svg examples quite a few are coming back saying "Adobe SVG viewer not installed"
Stinks. - NickDinadis, on 10/12/2007, -0/+0This is amazing (addicting too)
imagine if the moons orbit was like this
Try Outer space Launch angle 0.9 launch force 3.6
nearly touches the earth but keeps going forever - inactive, on 10/12/2007, -0/+030 and 5
- paintball102089, on 10/12/2007, -0/+0start in outer space. launch angler at 30 and force at 4.5. it has a huge eliptical orbit
- clickwir, on 10/12/2007, -0/+0From outer space, try this:
Angle: 0
Force: 3.5372459978684755999012168103945441545
It's as far out of a number as I feel like refining. It's probably coming so close it's able to take out small animals. - ColdChilli, on 10/12/2007, -0/+0joshv said "Crash firefox - force = 1000"
Try Force=3000. Crash firefox on the restart!
Firefox 1.5 is better than IE, right... - inactive, on 10/12/2007, -0/+0page seems to work with Seamonkey alpha 1; probably because it uses the same version of the gecko engine as firefox
- lemurballs, on 10/12/2007, -0/+0lol, my firefox crashed as well with high force values
- pompom246, on 10/12/2007, -0/+0outer space, angle: 24, force: 4, perfect eliptical orbit
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