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Minggu, 26 Agustus 2012
Rover's laser instrument zaps first martian rock
Yang Gak ngerti Translate Dulu ya :)
sumber : http://www.astronomy.com/News-Observing/News/2012/08/~/link.aspx?_id=6002A06D1039488B8A3028EAE1EB089E&_z=z
Yesterday, the Mars rover Curiosity fired its laser for the first time on the Red Planet, using the beam from a science instrument to zap a fist-sized rock called “Coronation.”
The mission’s Chemistry and Camera instrument (ChemCam) hit the fist-sized rock with 30 pulses of its laser during a 10-second period. Each pulse delivers more than a million watts of power for about five one-billionths of a second.
The energy from the laser excites atoms in the rock into an ionized, glowing plasma. ChemCam catches the light from that spark with a telescope and analyzes it with three spectrometers for information about what elements are in the target.
“We got a great spectrum of Coronation — lots of signal,” said Roger Wiens of Los Alamos National Laboratory in New Mexico. “Our team is both thrilled and working hard, looking at the results. After eight years building the instrument, it’s payoff time!”
ChemCam recorded spectra from the laser-induced spark at each of the 30 pulses. The goal of this initial use of the laser on Mars was to serve as target practice for characterizing the instrument, but the activity may provide additional value. Researchers will check whether the composition changed as the pulses progressed. If it did change, that could indicate dust or other surface material being penetrated to reveal different composition beneath the surface. The spectrometers record intensity at 6,144 different wavelengths of ultraviolet, visible, and infrared light.
“It’s surprising that the data are even better than we ever had during tests on Earth in signal-to-noise ratio,” said Sylvestre Maurice of the Institute of Research in Astrophysics and Planetary Science in Toulouse, France. “It’s so rich, we can expect great science from investigating what might be thousands of targets with ChemCam in the next two years.”
The technique used by ChemCam, called laser-induced-breakdown spectroscopy, has been used to determine composition of targets in other extreme environments, such as inside nuclear reactors and on the sea floor, and has had experimental applications in environmental monitoring and cancer detection. Yesterday’s investigation of Coronation was the first use of the technique in interplanetary exploration.
Curiosity landed on Mars two weeks ago, beginning a two-year mission using 10 instruments to assess whether a carefully chosen study area inside Gale Crater has ever offered environmental conditions favorable for microbial life.
sumber : http://www.astronomy.com/News-Observing/News/2012/08/~/link.aspx?_id=6002A06D1039488B8A3028EAE1EB089E&_z=z
Yesterday, the Mars rover Curiosity fired its laser for the first time on the Red Planet, using the beam from a science instrument to zap a fist-sized rock called “Coronation.”
The mission’s Chemistry and Camera instrument (ChemCam) hit the fist-sized rock with 30 pulses of its laser during a 10-second period. Each pulse delivers more than a million watts of power for about five one-billionths of a second.
The energy from the laser excites atoms in the rock into an ionized, glowing plasma. ChemCam catches the light from that spark with a telescope and analyzes it with three spectrometers for information about what elements are in the target.
“We got a great spectrum of Coronation — lots of signal,” said Roger Wiens of Los Alamos National Laboratory in New Mexico. “Our team is both thrilled and working hard, looking at the results. After eight years building the instrument, it’s payoff time!”
ChemCam recorded spectra from the laser-induced spark at each of the 30 pulses. The goal of this initial use of the laser on Mars was to serve as target practice for characterizing the instrument, but the activity may provide additional value. Researchers will check whether the composition changed as the pulses progressed. If it did change, that could indicate dust or other surface material being penetrated to reveal different composition beneath the surface. The spectrometers record intensity at 6,144 different wavelengths of ultraviolet, visible, and infrared light.
“It’s surprising that the data are even better than we ever had during tests on Earth in signal-to-noise ratio,” said Sylvestre Maurice of the Institute of Research in Astrophysics and Planetary Science in Toulouse, France. “It’s so rich, we can expect great science from investigating what might be thousands of targets with ChemCam in the next two years.”
The technique used by ChemCam, called laser-induced-breakdown spectroscopy, has been used to determine composition of targets in other extreme environments, such as inside nuclear reactors and on the sea floor, and has had experimental applications in environmental monitoring and cancer detection. Yesterday’s investigation of Coronation was the first use of the technique in interplanetary exploration.
Curiosity landed on Mars two weeks ago, beginning a two-year mission using 10 instruments to assess whether a carefully chosen study area inside Gale Crater has ever offered environmental conditions favorable for microbial life.
Selasa, 07 Agustus 2012
Spaceship (UFO) atau ?????
Pada tanggal 27 Juli 2012 lalu ada fenomena penampakan spaceship di upacara pembukaan Olimpiade 2012 di London, Inggris. Ini jelas-jelas bukan rekayasa animasi, karena tertangkap langsung oleh kamera stasiun tv saat siaran live upacara pembukaan Olimpiade.
Lebih mematikan dari Flu burung
Jika sebelumnya warga dunia dibuat resah dengan menyebarnya kasus flu
burung, kini ilmuwan kembali menemukan sebuah ancaman flu baru yang
lebih mematikan.
Kenapa Minggu Libur ?
ILmuwan Nasa Benarkan Matahari akan terbit dari BARAT
###Kebenaran ajaran Islam terus-menerus dibuktikan oleh penemuan demi
penemuan ilmu pengetahuan. 1.400 tahun yang lalu, Rasulullah SAW sudah
menyatakan dalam haditsnya bahwa kelak matahari akan terbit dari Barat
sebagai bukti keagungan Allah SWT dan ciri-ciri kiamat sudah semakin
dekat: ““Tidak akan terjadi kiamat sehingga matahari terbit dari tempat
terbenamnya, apabila ia telah terbit dari barat dan semua manusia
melihat hal itu maka semua mereka akan beriman, dan itulah waktu yang
tidak ada gunanya iman seseorang yang belum pernah beriman sebelum itu.”
(Riwayat Bukhari dan Muslim dari Abu Hurairah. Dan riwayat Ahmad, Abu
Dawud dan Ibn Majah).
Matahari terbit dari Barat akan terjadi selama satu hari saja, kemudian tertutuplah pintu taubat. Setelah itu, gerakan matahari pun akan kembali seperti sebelumnya terbit dari timur sampai terjadinya kiamat. Ini sesuai dan dibenarkan oleh peneliti NASA dalam artikelnya dibawah. Dari Ibn ‘Abbas, “Maka Ubai bin Ka’ab berkata: “Maka bagaimana jadinya matahari dan manusia setelah itu?” Rasulullah menjawab: “Matahari akan tetap menyinarkan cahayanya dan akan terbit sebagaimana terbit sebelumnya, dan orang-orang akan menghadapi (tugas-tugas) dunia mereka, apabila kuda seorang laki-laki melahirkan anaknya, maka ia tidak akan dapat menunggang kuda tersebut sampai terjadinya kiamat.” (Fathul Baari, Kitaburriqaq, Juz 11, Thulu’issyamsi Min Maghribiha).###
MATAHARI TERBIT DARI BARAT DIBENARKAN ILMUWAN FISIKA DAN MASUK ISLAM
Matahari terbit dari Barat akan terjadi selama satu hari saja, kemudian tertutuplah pintu taubat. Setelah itu, gerakan matahari pun akan kembali seperti sebelumnya terbit dari timur sampai terjadinya kiamat. Ini sesuai dan dibenarkan oleh peneliti NASA dalam artikelnya dibawah. Dari Ibn ‘Abbas, “Maka Ubai bin Ka’ab berkata: “Maka bagaimana jadinya matahari dan manusia setelah itu?” Rasulullah menjawab: “Matahari akan tetap menyinarkan cahayanya dan akan terbit sebagaimana terbit sebelumnya, dan orang-orang akan menghadapi (tugas-tugas) dunia mereka, apabila kuda seorang laki-laki melahirkan anaknya, maka ia tidak akan dapat menunggang kuda tersebut sampai terjadinya kiamat.” (Fathul Baari, Kitaburriqaq, Juz 11, Thulu’issyamsi Min Maghribiha).###
MATAHARI TERBIT DARI BARAT DIBENARKAN ILMUWAN FISIKA DAN MASUK ISLAM
PerMintaan Terakhir Einstein
Hei Visitors :) Longtime No see :)
Maaf ya, sedikit sibuk :)
New info?? check it out
Tahun 1955, Albert Einstein, fisikawan terkemuka di dunia, harus dirawat di rumah sakit karena pendarahan akibat pembuluh nadinya pecah. Sejak Einstein mempublikasikan teori relativitasnya, dia berhasil mendapat anugerah Nobel dan ikut berperan dalam pembuatan bom atom. Fisikawan ini telah terkenal diseluruh dunia semasa dia hidup hingga sekarang.
Maaf ya, sedikit sibuk :)
New info?? check it out
Tahun 1955, Albert Einstein, fisikawan terkemuka di dunia, harus dirawat di rumah sakit karena pendarahan akibat pembuluh nadinya pecah. Sejak Einstein mempublikasikan teori relativitasnya, dia berhasil mendapat anugerah Nobel dan ikut berperan dalam pembuatan bom atom. Fisikawan ini telah terkenal diseluruh dunia semasa dia hidup hingga sekarang.
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