all those space missions that has been accomplished have an enourmous weight why the earths weight still remain the same
2006-10-18 03:20:48 · 11 answers · asked by brian zacharry 1 in Science & Mathematics ➔ Astronomy & Space
The proof why some galaxies or the earth's orbit is expanding is the mass increases with time due to Galactic and Sun mass cosmic Rain. The earth absorbs a certain amount of mass and as a result expansion occurs.
As the orbit of the earth expands so do time dilate. That explains why days (spin of the earth is slower) are longer by a small amount each year.
So thousands of years ago the days of the earth were shorter and so were the years.
There fore the earths mass is not static but dynamic and is relative it always increases.
The same occurs in observable Galaxies some lose mass some gain mass.
Therefore a new 21st Century Relativity Theory proof indicates that its mass that determine velocity and acceleration.and not the other way around.
That is the explanation why Hubbles did observe as expansion. of Galaxies.It was that simple after all!
2006-10-18 09:14:46 · answer #1 · answered by goring 6 · 0⤊ 1⤋
Also, the term "weight" is incorrect, what you mean to ask is why doesn't the "mass" of the Earth change (and it does, just not enough for anyone to notice). Weight is a measurement of the force of gravity on a body, mass is the total amount of a given thing. So if you went to the moon you would weigh like 1/4 what you weigh on Earth but your mass will not have changed.
2006-10-18 10:36:32 · answer #2 · answered by Dr. Noodle 3 · 0⤊ 0⤋
The weight of the earth changes constantly. Some is added by meteors hitting the earth. Some is lost by atmosphere 'bleeding' off into space. The amount of 'stuff' sent into space is negligible compared to the mass of the earth.
2006-10-18 10:35:12 · answer #3 · answered by Da Judge 3 · 0⤊ 0⤋
The Earth's weight -has- changed over the millenia. Meteors add to it, atmosphere is lost to space, and thousands of pounds of metal and plastic are flying thru space as man-made satelites. But, compared to the ridiculous mass of the planet, all that is nothing. It's equivalent to the amount of weight the world's fattest man would lose from getting a haircut.
2006-10-18 10:25:15 · answer #4 · answered by juicy_wishun 6 · 0⤊ 0⤋
Actually, the "Space Missions" have no weight as they don't touch the earth...lol. As far as things built on earth are considered, they are built by destroying something (like the forests, etc). So the total mass more or less remains the same.
Hope this helps ;-)
2006-10-18 10:24:17 · answer #5 · answered by Mayur P 1 · 0⤊ 0⤋
The weight has probably increased due to the constant bombardment by space rock and comets. Some say that a significant portion of the water in our oceans came from comets.
2006-10-18 10:35:15 · answer #6 · answered by FrogDog 4 · 0⤊ 0⤋
The mass is steadily increasing as the small meteors and other stuff falls in to our atmosphere. Go to the grand canyion u will find layers of fossils that are several 1000 ft. thick.
2006-10-18 11:06:58 · answer #7 · answered by JOHNNIE B 7 · 0⤊ 0⤋
Actually the weight of earth,if it could be weighed, is
increasing due to meteors constantly striking it. It is gaining tons per year.
2006-10-18 10:37:09 · answer #8 · answered by albert 5 · 0⤊ 0⤋
It maintains a steady diet of rock, dirt, water & minerals and gets
plenty of exercise running around the Sun while spinning.
2006-10-18 11:22:24 · answer #9 · answered by Mailman Bob 5 · 0⤊ 0⤋
How are we gonna weigh the earth?? Come on now!
2006-10-18 10:22:50 · answer #10 · answered by Collared 4 · 0⤊ 0⤋