本帖最後由 dye 於 2010/9/11 10:29 編輯
You still don't get it, do you?
The counter-earth will give off gravitational force and it will be measureable and observable on earth. There is no need to send a probe to Mars for this purpose.
光,不是唯一觀察媒體!
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仍是那一句,已經看過沒有(STERO)
其實本身不用離開地球也可「看」到(引力),所以去到火星也沒人固意去看。
要看也不用到火星咁遠。像STERO一樣便可以。 |