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re: Math Question of the Day - Where will the Earth be in space 365 days from now?
Posted on 2/21/18 at 2:21 pm to DarthRebel
Posted on 2/21/18 at 2:21 pm to DarthRebel
The earth is in a solar system that rotates in the galaxy in a galaxy that rotates.
So really depends on what your question is relative to.
Pretty sure the earth is never in the same spot ever.
So really depends on what your question is relative to.
Pretty sure the earth is never in the same spot ever.
0
Posted on 2/21/18 at 2:23 pm to DarthRebel
quote:The Earth (and the rest of the solar system) will travel 11.68 billion miles away from it's current position, which, by the time you read this, Earth will have already traveled 3700 miles away from where it was previously located when you started reading this post.
Relative to its current location.
Posted on 2/21/18 at 2:25 pm to Ace Midnight
quote:
f you're not into the chump change about trifling movement around the sun (or for that matter, any rotational movement within the galaxy), the galaxy itself moves roughly 17 1/2 billion KM per year.
Yup
This was kind of a spinoff topic from another board about time travel. Let's say you had a ship that could go into space and travel one year into the future. That would be awesome, except the Earth is X distance away now.
Posted on 2/21/18 at 2:29 pm to DarthRebel
quote:If you could drive a car that went as fast as the speed of light, would its headlights work?
This was kind of a spinoff topic from another board about time travel. Let's say you had a ship that could go i
Posted on 2/21/18 at 2:31 pm to HubbaBubba
quote:
The Earth (and the rest of the solar system) will travel 11.68 billion miles away from it's current position, which, by the time you read this, Earth will have already traveled 3700 miles away from where it was previously located when you started reading this post.
Blows my mind how fast we are moving and we do not even know it.
Then you look at light and it travels close to 6 trillion miles in a year.
Posted on 2/21/18 at 2:34 pm to HubbaBubba
quote:
If you could drive a car that went as fast as the speed of light, would its headlights work?
Yes
Posted on 2/21/18 at 2:35 pm to DarthRebel
quote:
Let's say you had a ship that could go into space and travel one year into the future. That would be awesome, except the Earth is X distance away now.
The usual "explanation" given for this sort of thing is that if whoever invented the machine was smart enough to build a time machine, they'd also be able to build in the ability for the time machine to calculate the earth's position in the universe at the same time.
Posted on 2/21/18 at 2:37 pm to DarthRebel
Posted on 2/21/18 at 2:40 pm to DarthRebel
quote:You have to define it's current location first using a reference of two other points in space. Otherwise, the question has no answer since location is relative by itself. For instance. There's no reason that, technically, the earth can't be defined as the "center" of the universe and doesn't "move" at all.
Relative to its current location.
This post was edited on 2/21/18 at 2:41 pm
Posted on 2/21/18 at 2:44 pm to HubbaBubba
quote:
would its headlights work?
Yes. The question is can you see them working? Any answer is just a guess. One guess I read when the car reaches light speed it would become essentially stationary in space and the light beams would travel fast than the speed of light.
Frick if I know.
Posted on 2/21/18 at 2:49 pm to HubbaBubba
quote:Of course they would... Speed is relative and, again, requires a point of reference. The person in the cars going that "fast" would be able to turn the lights on and they would work as normal. But the person "standing still" would not be able to see the lights come on at all.
If you could drive a car that went as fast as the speed of light, would its headlights work?
Posted on 2/21/18 at 2:51 pm to DarthRebel
quote:Not true. Sort of. The car itself and the person in it would not become stationary (due to time) from the perspective of a person standing still...
One guess I read when the car reaches light speed it would become essentially stationary in space and the light beams would travel fast than the speed of light.
Posted on 2/21/18 at 2:52 pm to TypoKnig
quote:
Relative to its current location.
quote:
.25 days behind its current location
Relative to the sun, but not relative to its current location, the center of the galaxy, or the rest of the universe.
Posted on 2/21/18 at 2:53 pm to colorchangintiger
quote:None of which are defined explicitly.
Relative to the sun, but not relative to its current location, the center of the galaxy, or the rest of the universe.
Posted on 2/21/18 at 3:01 pm to DarthRebel
no one can answer this with mathematical certainty.
some think they can but they can't
some think they can but they can't
Posted on 2/21/18 at 3:29 pm to HubbaBubba
quote:
If you could drive a car that went as fast as the speed of light, would its headlights work?
Depends on what's powering them. Currently, we have zero battery technology that can withstand that speed.
Posted on 2/21/18 at 3:35 pm to ccomeaux
quote:
no one can answer this with mathematical certainty.
some think they can but they can't
There is no reason to think you need to be precise. There are several variables outside of our control.
Roughly speaking though, it is over 11 billion miles away from whenever you decide a starting point.
The Earth travels the distance of a light year in a little over 500 years, although some claim 750 years.
Posted on 2/21/18 at 3:42 pm to DarthRebel
It’s 751.275
Posted on 2/21/18 at 3:43 pm to DarthRebel
It will be right under my feet; unless I'm trippin.
Posted on 2/21/18 at 3:54 pm to ell_13
quote:
Of course they would... Speed is relative and, again, requires a point of reference. The person in the cars going that "fast" would be able to turn the lights on and they would work as normal. But the person "standing still" would not be able to see the lights come on at all.
Well, technically, since the car is traveling AT the speed of light, the observer would not be able to see the car at all.
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