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  #1  
Old 26th May 2011
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Default Hebat!NASA Akan Membuat Pombensin Pom Bensin Di Luar Angkasa
MUDAH-MUDAHAN NGGA REPOST

Penjelajah luar angkasa yang perlu mengisi ulang tangki bahan bakarnya saat dalam perjalanan ke Bulan atau ke Mars dalam waktu dekat akan dapat mampir ke stasiun pengisian bahan bakar di orbit.

Dikabarkan, NASA menyediakan tender senilai US$200 juta atau sekitar Rp1,7 triliun bagi yang mampu menunjukkan bagaimana menyimpan dan mentransfer bahan-bakar roket di luar angkasa.

Ide untuk membuka pom bensin di luar angkasa sendiri telah lama berkembang. Sebagai contoh, sebuah perusahaan asal Kanada tengah bersiap untuk meluncurkan stasiun pengisian bahan bakar di tahun 2015 mendatang. Namun pada proposalnya, NASA menginginkan sesuatu yang lebih dari sekadar mengisi ulang pesawat ruang angkasa di orbit Bumi.

Dikutip dari Innovation News Daily, 23 Mei 2011, NASA ingin secara khusus memanfaatkan oksigen dan hidrogen cair yang biasa digunakan untuk memasok daya bagi mesin pesawat ruang angkasa dan beberapa roket komersial. Proposal yang ditawarkan mencari perusahaan yang mampu menyediakan penyimpanan �zero-boil off� oksigen cair dan setidaknya penyimpanan �minimal boil-off� hidrogen cair.

Sebagai gambaran, hidrogen cair membutuhkan penyimpanan dengan suhu minus 218 derajat Celcius. Zat itu perlu dilindungi dari sumber panas eksternal seperti Matahari atau panas buangan mesin roket untuk mencegah terjadi pemuaian atau menyebabkan ledakan tangki penyimpanan.

Perusahaan yang berminat untuk menyambut tantangan NASA juga harus mampu menunjukkan bagaimana zat cair ini ditransfer dalam lingkungan dengan gravitasi minimal di orbit Bumi.

Meski proposal yang diajukan mencapai nilai sebesar USD 200 juta, badan antariksa Amerika Serikat itu akan mempertimbangkan misi yang nilainya mencapai USD 300 juta. Syaratnya, biaya tambahan itu menawarkan berbagai kelebihan penting. Sebaliknya, NASA juga mempertimbangkan proposal senilai di bawah USD 200 juta asalkan mampu memenuhi kebutuhan.

Partner NASA yang berhasil menyediakan teknologi untuk menghadirkan pom bensin di luar angkasa sendiri akan mendapatkan keuntungan dari digelarnya stasiun pengisian bahan bakar tersebut.

Sebagai informasi, saat ini, NASA juga bekerjasama dengan sebuah perusahaan roket swasta asal Amerika Serikat, Space Exploration Technologies Corp (SpaceX). Mereka dikontrak untuk mengantarkan astronot dan kargo ke International Space Station. Namun tidak untuk mengantarkan manusia ke Bulan dan Mars.

KALAU MANDAN-MANDAN SUKA DENGAN TRIT INI SILAHKAN DI RATE ATAU
:melongive::melongive::melongive::me lon:

SUMBER:http://cinta-syamsudin.blogspot.com/2011/05/hebat-nasa-akan-membuat-pom-bensin-di.html

THX


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Old 26th May 2011
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:melongive::melongive:

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:melongive::melongive:
sorry ndan blon bisa ngasih melon
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sorry ndan blon bisa ngasih melon
Gak pa pa Gan...................
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  #5  
Old 27th May 2011
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percuma bikin juga,siapa yang mau isi bensin di sana,jauj jauh ke angkasa cuma buat isi bensin doank,mending di sini ketauan

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Old 27th May 2011
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percuma bikin juga,siapa yang mau isi bensin di sana,jauj jauh ke angkasa cuma buat isi bensin doank,mending di sini ketauan
kebanyakan duit kali ndan
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  #7  
Old 27th May 2011
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ngapain buat di sana
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Old 27th May 2011
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ngapain buat di sana
sepi tuh pasti disana,terus mas mas yg jaga nya bete tuh
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