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Mars - Rover Curiosity


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Par sitnica...Ljudi uglavnom ne shvataju koliko je ovo veliki uspeh. Prosečna udaljenost između Marsa i Zemlje je cca 225 miliona km. E sad, to je malo teško predočiti sebi. Bolje je kada se uzmu rastojanja u srazmeri. Recimo, kada bi Sunce bilo veličine lopte za basket, Zemlja bi bila veličine zrna graška. Mars bi bio veličine pola tog zrna i nalazio bi se čitavih 20 metara daleko.Još samo nešto...Ovo je veliki uspeh i zato jer baš i nemamo slavan skor sa Marsom...673291main_Scoreboard_4x3_428-321.jpg

Tackling the Challenge of MarsThis artist's scoreboard displays a fictional game between Mars and Earth, with Mars in the lead. It refers to thesuccess rate of sending missions to Mars, both as orbiters and landers. Of the previous 39 missions targeted for Mars from around the world, 15 have been successes and 24 failures. For baseball fans, that's a batting average of .385. The United States has had 13 successes out of 18 attempts, or a "batting average" of .722. NASA's Curiosity rover, set to land on the Red Planet the evening of Aug. 5, 2012 PDT (morning of Aug. 6 EDT), will mark the United States' 19th attempt to tackle the challenge of Mars, and the world's 40th attempt.
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Meni je jasno jer i onim helikopterčićem na daljinski nije baš lako upravljati, a zamisli sve tek ovo, plus proračuni itd itd. I oduševljenje ekipe koja je to izvela je bilo na nivou osvajanja Svetskog prvenstva ili Lige šampiona :D

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Valjda su instalirali i nekakve četke da sklanjaju prašinu sa kamera...
Ove prve fotke su slikane kroz cover koji štiti sočiva od prašine koja se digla prilikom sletanja, a skinuće ih (odbaciti) kad rover uradi čitav niz provera, pre nego što krene da radi ono za šta je napravljen.Btw, samo sletanje mora da je bilo spektakularno, šteta što nisu smislili i način da se to uslika.Što s tiče proračuna, sve je bilo pre-scripted od pre ulaska u Marsovu atmosferu, do touchdowna i prvih fotki, dakle automatski, "bez ruku". Pre osam meseci su zavitlali spravu odavde 600 miliona kilometara daleko i (iako su imali načina da koriguju orbitu ako ustreba) pogodili su landing spot u par stotina metara i "promašili" planirani timeframe za 15 sec - unapred. Massive respect.
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I ne smemo zaboraviti da im je sve vreme nad glavom visio mač, jer da ovo nije uspelo, mislim da se NASA ne bi od toga oporavila sledećih 50 godina. Koja bi administracija glasala za budžete od nekoliko desetina milijardi za projekte koji propadaju. I još u vreme krize. Zato ih potpuno razumem koliko su oduševljeni.

Edited by Arkadija
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Svaka im cast. :ss1: Ulepsase mi dan skroz.Kada sam gledao kako treba da izgleda procedura za sletanje sa sve sky crane manevrom...trebalo je sve to izvesti bez greske.

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I ne smemo zaboraviti da im je sve vreme nad glavom visio mač, jer da ovo nije uspelo, mislim da se NASA ne bi od toga oporavila sledećih 50 godina. Koja bi administracija glasala za budžete od nekoliko desetina milijardi za projekte koji propadaju. I još u vreme krize. Zato ih potpuno razumem koliko su oduševljeni.
Dadad, pa i čuo se buljoljub kada su Nasa administrator Charles Bolden (penzionisani general, "nominated by President Barack Obama and confirmed by the U.S. Senate") i John Holdren (senior advisor to President Barack Obama on science and technology issues) prvi govorili na pressici i onda otišli ("we now have to boogie somewhere else") verovatno da popiju piće sa precednikom. S druge strane, direktor JPLa lepo kaže: "This movie costs about $7 per American citizen - that's a movie I want to see." Obzirom da je sve spektakularno uspelo i da će "Radoznala" minimum dve godine, a verovatno i duplo toliko da ronda uzduž i popreko - it's a money well spent.
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Ovo mi deluje kao da je neko šutirao sa Novog Zelanda i pogodio bez koske koš u Nemačkoj :)
Verujem da niko iz ove NASA ekipe geekova ne bi shvatio ovu metaforu. :D Možda jedini izuzetak bi bio rockabilly Adam Steltzner, on mi deluje svestrano... :)
Dadad, pa i čuo se buljoljub kada su Nasa administrator Charles Bolden (penzionisani general, "nominated by President Barack Obama and confirmed by the U.S. Senate") i John Holdren (senior advisor to President Barack Obama on science and technology issues) prvi govorili na pressici i onda otišli ("we now have to boogie somewhere else") verovatno da popiju piće sa precednikom.
Obama: Curiosity's Mars landing 'marks an unprecedented feat of technology'Klasična jajara političarska. Sad bi malo da se okiti tuđim perjem, a i pod njegovom administracijom NASA grca™.
S druge strane, direktor JPLa lepo kaže: "This movie costs about $7 per American citizen - that's a movie I want to see." Obzirom da je sve spektakularno uspelo i da će "Radoznala" minimum dve godine, a verovatno i duplo toliko da ronda uzduž i popreko - it's a money well spent.
A zamisli da nađe nešto što debelo miriše na život ili čak život sam? To bi tada bile the best money ever spent. Edited by Jolly Roger
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Pa kapiram da će se svakako potvrditi ili opovrgnuti (nekadašnje) postojanje nekog živog sveta.Lokacija je izabrana da bi mogli da rondaju kroz sedimente taložene stotinama miliona godina. Obzirom da je Opportunity potvrdio postojanje suvih rečnih korita, šanse su velike (laički procenjujem ja).Nda, super je što u timovima ima masa zaista mladog sveta, hipsteraja čak, tako da verujem da bi se analogija sa basketom ipak primila... :)

Edited by historian
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Naravno, krater Gejl nije slučajno odabran za lokaciju. Jedan je od najdubljih i najstarijih.Ne samo prisustvo vode i rečnih kanala, već je na Marsu pronađen i metan. On može nastati kao posledica pojačane vulkanske aktivnosti koje na Marsu nema već dugo. A može, recimo, nastati i od živih organizama. Videćemo, ovo daje nadu.

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HiRISE* Captures Incredible Image of Curiosity’s Descent to Marstumblr_m8cfs41bCd1ql4n85o1_1280.jpgmsl-1.jpg :Hail:* Launched in August of 2005, the High Resolution Imaging Science Experiment (HiRISE) is flying onboard the
mission. HiRISE will investigate deposits and landforms resulting from geologic and climatic processes and assist in the evaluation of candidate landing sites. By combining very high resolution and signal-to-noise ratio with a large swath width, it is possible to image on a variety of scales down to 1 meter, a scale currently afforded only in glimpses by landers. HiRISE will offer such views over any selected region of Mars, providing a bridge between orbital remote sensing and landed missions. Stereo image pairs will be acquired over the highest-priority locations with a vertical precision of better than 25 cm per pixel. Edited by Jolly Roger
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Ahahah, carevi! Geek wars :thumbup: Twitter: "When was the last time hundreds of people gathered in Times Square and chanted the name of a gov't agency? Oh yeah, never." :lol:

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HiRISE* Captures Incredible Image of Curiosity’s Descent to Marstumblr_m8cfs41bCd1ql4n85o1_1280.jpgmsl-1.jpg :Hail:* Launched in August of 2005, the High Resolution Imaging Science Experiment (HiRISE) is flying onboard the
mission. HiRISE will investigate deposits and landforms resulting from geologic and climatic processes and assist in the evaluation of candidate landing sites. By combining very high resolution and signal-to-noise ratio with a large swath width, it is possible to image on a variety of scales down to 1 meter, a scale currently afforded only in glimpses by landers. HiRISE will offer such views over any selected region of Mars, providing a bridge between orbital remote sensing and landed missions. Stereo image pairs will be acquired over the highest-priority locations with a vertical precision of better than 25 cm per pixel.
Covece! Nisu vise dovoljni spijunski sateliti u putanji oko Zemlje, sad spijuniramo sami sebe i na drugim svetovima... :Hail:Kad ono bese treba da se rodi Zefram Kokran? :P Da boldly odemo gde no coveci has ever gone before.
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