一個很難去回答的科學問題

oscar

地球的總質量是否不斷增加？(不計由太空來的物件)
Is the mass of the Earth increasing except the matters come from the space?

細薯

死喇....我忘記了質量同重量既分別tim...

oscar

Originally posted by smallpotato226 at 2004-6-22 12:36:
死喇....我忘記了質量同重量既分別tim...

質量=mass
單位：g(克)/kg(公斤)

重量=weight
單位：N(牛頓)

Echo21

Originally posted by oscar at 2004-6-22 00:13:
地球的總質量是否不斷增加？(不計由太空來的物件)
Is the mass of the Earth increasing except the matters come from the space?

這是Form幾的問題？

yat

我家姐F.6都唔識....(佢讀地理)
唔知係佢廢定未教...

lilokhimivan

Originally posted by yat at 2004-6-22 01:58 PM:
我家姐F.6都唔識....(佢讀地理)
唔知係佢廢定未教...

廢！？你咁話你家姐ka！[E-Ang][E-Ang][E-Ang]

霏

Originally posted by oscar at 2004-6-22 12:13 AM:
地球的總質量是否不斷增加？(不計由太空來的物件)
Is the mass of the Earth increasing except the matters come from the space?

我覺得係「不」
所有物質都只有形態上的轉換。〔如果外太空隕石唔計的話〕

Echo21

Originally posted by yat at 2004-6-22 13:58:
我家姐F.6都唔識....(佢讀地理)
唔知係佢廢定未教...

關geog的事嗎？
我覺得是IS或Astronomy

細薯

Originally posted by lilokhimivan at 2004-6-22 04:31 PM:
廢！？你咁話你家姐ka！[E-Ang][E-Ang][E-Ang]

人地話<<唔知係佢廢定未教... >>ja ma~唔使發火ga~

Originally posted by 幻將 at 2004-6-22 04:41 PM:
我覺得係「不」
所有物質都只有形態上的轉換。〔如果外太空隕石唔計的話〕

好似幾有道理...

pig

Originally posted by oscar at 2004-6-22 00:13:
地球的總質量是否不斷增加？(不計由太空來的物件)
Is the mass of the Earth increasing except the matters come from the space?

理論上不會增加,但不排除太空的沉積物和地求內部的溶巖冷卻和水的不斷蒸髮