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Ilmuwan Temukan Air Bumi di Asteroid

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Michigan – Astronom Amerika Serikat (AS) mengatakan, bukti baru mendukung teori sebagian besar porsi laut awal Bumi merupakan kiriman asteroid.
Ilmuwan University of Michigan berhasil mendeteksi air serupa laut di Bumi di sebuah asteroid untuk pertama kalinya. Deteksi ini memanfaatkan instrumen yang ada di Herschel Space Observatory.

Detection of 'ocean-like' water in a comet supports the theory that comets delivered a significant portion of Earth's oceans, which scientists believe formed about 8 million years after the planet itself
"Kehidupan tak akan ada di Bumi tanpa air cair. Dan pertanyaan bagaimana dan kapan laut ada di bumi menjadi pertanyaan yang sangat mendasar. Temuan baru ini menjadi bagian penting dari teka teki besar ini," papar profesor astronomi Ted Bergin.
Peneliti mengaku terkejut saat mengamati komet Halley 2 karena memiliki komposisi zat kimia yang serupa laut di Bumi.

Could water - the building block of life - have arrived on Earth on the tails of a comet?
"Kami terkejut," ungkapnya.
Sumber laut Bumi telah menjadi debat panas sejak lama dan asteroid menjadi kandidat pemecah misteri itu.
"Terutama setelah temuan Herschel menunjukkan setidaknya ada satu ait serupa laut ditemukan di asteroid ini," tutupnya seperti ditulis DM.
Hartley-2 was observed 'up close' by NASA's Deep Impact spacecraft - but the new scans reveals the comet's water is more 'ocean-like' than previously thought





sumber :http://teknologi.inilah.com/read/detail/1782695/ilmuwan-temukan-air-bumi-di-asteroid

noreply@blogger.com (admin) 08 Oct, 2011


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