Can you say where exactly the Earth was in the Solar System at a particular date - eg going back 100 years. How would this be calculated?
2006-12-02 01:26:11 · 9 answers · asked by Anonymous in Science & Mathematics ➔ Astronomy & Space
'Where' in this case is truly a relative term. From our point of view? Or the actual, physical location of the Earth 100 years ago?
The Solar System is beyond our ability to calculate at this time. If you are querying the Earth's location along with the Sun and major planets, then it can be done.
The main consideration is that the Sun is in motion through space. It is carrying the Solar System along at better than "250 kilometers/sec." This is an estimate based on the speed of dust and particles that are streaming past the Earth and our satellites that are not part of the Solar System.
The Earth's location can be calculated by multiplying 100 years, in seconds, by 250 kilometers/sec and subtracting the drift rate of 19 Kilometers/Sec times 100 years, in seconds. That distance, in the opposite direction of the Sun's travel, and in the opposite direction of drift, is where the Earth was 100 years ago.
;-D It is in a place far, far away from where the Earth is now.
From astronomycafe:
What is the speed of the Sun and the size of it's orbit?
Copyright 1997 Dr. Sten Odenwald: The Sun orbits the center of the Milky Way at a speed of about 250 kilometers/sec, and its orbital radius is about 8,500 parsecs. It takes over 200 million years to make one full orbit of the Galactic Center. Meanwhile, the Sun is drifting at 19 km/sec in the general direction of Vega as a consequence of the local variation in galactic rotation in our part of the Milky Way.
2006-12-02 02:46:55 · answer #1 · answered by China Jon 6 · 0⤊ 0⤋
It takes 365 1/4 days for the earth to move around the sun. Go round 100 times 365 1/4 back. And then slow down and then go to the date you want,lol. It is always the same.
2006-12-02 09:39:09 · answer #2 · answered by AD 4 · 0⤊ 1⤋
It can be calculated mathematically or using a computer program for this.
2006-12-02 09:34:45 · answer #3 · answered by Snaglefritz 7 · 0⤊ 0⤋
There is a long mathematical equation to figure this out.
2006-12-02 09:36:05 · answer #4 · answered by Sarai 2 · 0⤊ 0⤋
Must be possible. But, as with many questions on this site, why?
2006-12-02 09:35:25 · answer #5 · answered by lulu 6 · 0⤊ 0⤋
by people who are far cleverer than u & i in ways that we may never understand!
2006-12-02 13:24:24 · answer #6 · answered by Just me 5 · 0⤊ 0⤋
counting the the seconds of every minute of every hour of every day of every week of every month of every year
2006-12-02 09:28:36 · answer #7 · answered by ? 2 · 0⤊ 0⤋
Math...
2006-12-02 09:28:28 · answer #8 · answered by Allen L 4 · 0⤊ 0⤋
don't underestimate your self carley you are far more stupid than you think....... no only joking carley.
2006-12-02 15:40:21 · answer #9 · answered by johnfrancis 01 4 · 0⤊ 0⤋