1st
　June
2009

tnoma: mitaimon: gkojaxlabo: gkojax: Technobahn ニュース : 600万年前に生息していた史上最大の鳥 2007-07-08 やっぱ当時は重力が今よりすくなかったんじゃないかなあ。翼竜も重すぎて飛ばないという研究結果もあるが、であれば重力が少なければ飛べる。大陸もアフリカと南アメリカがくっついてはずだし、ずいぶんと地球の質量が変動、もしくは自転速度が異なっていたという可能性はないのかな。

tnoma:

mitaimon:

gkojaxlabo:

gkojax:

Technobahn ニュース : 600万年前に生息していた史上最大の鳥
2007-07-08

やっぱ当時は重力が今よりすくなかったんじゃないかなあ。翼竜も重すぎて飛ばないという研究結果もあるが、であれば重力が少なければ飛べる。大陸もアフリカと南アメリカがくっついてはずだし、ずいぶんと地球の質量が変動、もしくは自転速度が異なっていたという可能性はないのかな。

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