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A Glint Of Light And A Hint Of Life: Mars Is Getting Very Interesting Right Now @ 2019-06-24T20: 返回 熱門新聞
關鍵詞:on Mars
概念:
LAST WEEK, CURIOSITY MADE ITS STRONGEST DETECTION OF METHANE ON MARS YET. ITS LASER SPECTROMETER INSTRUMENT REGISTERED A METHANE SPIKE OF 21 PARTS PER BILLION BY VOLUME (PPBV) IN THE GALE CRATER, A REGION THE ROVER HAS BEEN EXPLORING SINCE IT LANDED IN 2012.
HELEN SHARMAN, THE FIRST BRITISH ASTRONAUT, SAID AT A CONFERENCE IN 2017 THAT THERE HAD BEEN AN UNRELEASED NASA REPORT EXPLORING SEXUAL DESIRES OF SPACE CREW MEMBERS DURING POTENTIAL MISSIONS TO MARS. SHARMAN SAID THE REPORT HAD RECOMMENDED SPACE CREWS OF THE SAME GENDER – 「ALL MEN OR ALL WOMEN」 – BECAUSE THEY HAVE BETTER TEAM COHESION.
MUSK TWEETED OUT A PHOTOGRAPH ON SUNDAY WITH THE CAPTION "OCCUPY MARS" BUT TWITTER USERS WERE QUICK TO POINT OUT THAT THE IMAGE WAS NOT OF THE RED PLANET, BUT OF THE MOON DURING THE JULY 2018 LUNAR ECLIPSE — A PHENOMENON KNOWN AS THE BLOOD MOON.
TO SEE IF LIFE ON MARS COULD SURVIVE THESE CYCLES OF DESICCATION, SCIENTISTS EXPERIMENTED WITH TWO SPECIES OF BACTERIA TAKEN FROM TWO HIGHLY SALTY AREAS — HOT LAKE IN WASHINGTON AND THE GREAT SALT PLAINS IN OKLAHOMA. THEY GREW THEM IN THE LAB IN A SOLUTION THAT WAS HALF WATER AND HALF MAGNESIUM SULFATE, COMMONLY KNOWN AS EPSOM SALT, A KIND OF SALT COMMON ON THE MARTIAN SURFACE.
"WITH THE SUSPENSION ON, NOT ONLY DOES IT LOOK LIKE A ROVER, BUT WE HAVE ALMOST ALL OUR BIG-TICKET ITEMS FOR INTEGRATION IN OUR REARVIEW MIRROR -- IF OUR ROVER HAD ONE," DAVID GRUEL, THE MARS 2020 ASSEMBLY, TEST AND LAUNCH OPERATIONS MANAGER AT JPL, SAID. "NOW THAT"S A MARS ROVER."
VITTORIO NETTI LEAVES THE CREW MODULE ON HIS WAY TO THE SCIENCE DOME AS PART OF AN INTERNATIONAL CREW MANNING THE MARS SOCIETY"S MARS DESERT RESEARCH STATION NEAR HANKSVILLE, UTAH. FROM LEFT, MARS DESERT RESEARCH STATION CREW 212 MEMBERS MARLEN CASTILLO, CAMILO ZORRO, AND MARIONA BADENAS-AGUSTI COLLECT SOIL SAMPLES WHILE ON A MISSION IN THE UTAH DESERT NEAR HANKSVILLE, UTAH.
TO DETERMINE IF METEORS BURNING UP IN THE ATMOSPHERE COULD SERVE AS SEEDS FOR THE TENUOUS CLOUDS, HARTWICK AND HER COLLEAGUES COMBINED DATA TAKEN FROM NASA"S MARS ATMOSPHERE AND VOLATILE EVOLUTION (MAVEN) SATELLITE WITH MASSIVE COMPUTER SIMULATIONS THAT MIMICKED THE FLOWS AND TURBULENCE OF THE PLANET"S ATMOSPHERE. THE RESEARCHERS FOUND THAT INCLUDING METEORITIC SMOKE IN THE SIMULATIONS CREATED CLOUDS AND CONDITIONS SIMILAR TO THOSE OBSERVED ON THE RED PLANET.
IN DECEMBER 2017, TRUMP SIGNED SPACE POLICY DIRECTIVE 1, WHICH DIRECTED NASA TO CREATE A MAJOR, SUSTAINABLE PRESENCE ON AND AROUND THE MOON AND THEN USE THAT KNOWLEDGE TO GET A CREW TO MARS. AND LAST MONTH, THE WHITE HOUSE REQUESTED AN EXTRA $1.6 BILLION IN NEXT YEAR』S BUDGET TO ACCELERATE THE MOON MISSION AND GET ASTRONAUTS BACK ON ITS ROCKY SURFACE BY 2024, INCLUDING THE FIRST WOMAN.
THE DUNE FEATURE IS LOCATED IN HELLAS PLANITIA, A LARGE PLAIN WITHIN THE HELLAS IMPACT BASIN IN THE SOUTHERN HEMISPHERE OF MARS. AN INTERACTION OF DUNES, LAVA AND WIND FORMED THE CHEVRON SHAPE VISIBLE IN THE PICTURE, ACCORDING TO THE STATEMENT. MRO HAS PHOTOGRAPHED MANY OTHER CHEVRONS ON MARS, SO WE"RE GUESSING THIS IS NOT THE FIRST TIME IT SPOTTED ONE SHAPED LIKE A "STAR TREK" LOGO.
THE DISCOVERY COULD HELP REVEAL INFORMATION NOT ONLY ABOUT THE WEATHER CONDITIONS ON PRESENT-DAY MARS BUT ALSO ABOUT THE PLANET"S PAST CLIMATE.
A REPORT PUBLISHED BY NASA’S OFFICE OF THE INSPECTOR GENERAL STATES THAT ROGUES CONTINUOUSLY HACKED AND NICKED A TOTAL OF 500 MEGABYTES OF DATA FROM NASA’S JET PROPULSION LABORATORY IN PASADENA WITHOUT BEING DETECTED FOR NEARLY A YEAR. THE BREACH WAS DISCOVERED IN APRIL 2018, THE 49-PAGE REPORT SAID ADDING THE HACK INCLUDED (AMONG OTHER DOCUMENTS) TWO FILES CONTAINING CLASSIFIED INFORMATION ON THE CURIOSITY ROVER MARS MISSION.
MARS WAS NO STRANGER TO VOLCANIC ERUPTIONS, AS ITS LARGEST MOUNTAIN, OLYMPUS MONS, ATTESTS. BUT SCIENTISTS DON"T YET KNOW WHETHER THE PLANET ALSO SPORTED POWERFUL EXPLOSIVE ERUPTIONS IN THE PAST, EVENTS MORE LIKE MOUNT ST. HELENS THAN KILAUEA. NOW, A TEAM OF SCIENTISTS HAS ARGUED THAT A PARTICULAR MINERAL DEPOSIT — ONE THAT THE MARS 2020 ROVER SHOULD BE ABLE TO STUDY — SUGGESTS THESE EXPLOSIVE ERUPTIONS DID OCCUR.
BEZOS AND MUSK HAVE REPORTEDLY TRADED JABS ABOUT THEIR RESPECTIVE COMPANIES' SPACE TRAVEL PLANS IN RECENT MONTHS. WHILE UNVEILING BLUE MOON IN MAY, BEZOS REPORTEDLY SUBTLY REFERRED TO MUSK'S MARS GOALS WITH A SLIDE CLAIMING THAT ESTABLISHING A PRESENCE ON THE MOON IS MUCH MORE REALISTIC GOAL THAN MARS. MUSK RESPONDED ON TWITTER BY MOCKING THE BLUE MOON LANDER, WHILE ALSO NOTING THAT HAVING MULTIPLE COMPANIES WORKING ON SPACE TRAVEL PROJECTS IS A GOOD THING.
"ONCE IT HAS COLLECTED THEM IN WHAT CAN BE LIKENED TO AN INTERPLANETARY TREASURE HUNT, IT WILL RETURN TO THE LANDER PLATFORM AND LOAD THEM INTO A SINGLE LARGE CANISTER ON THE MARS ASCENT VEHICLE. THIS VEHICLE WILL PERFORM THE FIRST LIFTOFF FROM MARS AND CARRY THE CONTAINER INTO MARS ORBIT. ESA’S EARTH RETURN ORBITER WILL BE THE NEXT MISSION, TIMED TO CAPTURE THE BASKETBALL-SIZE SAMPLE CONTAINER ORBITING MARS … THE SPACECRAFT WILL THEN RETURN TO EARTH, WHERE IT WILL RELEASE THE ENTRY CAPSULE FOR THE SAMPLES TO END UP IN A SPECIALIZED HANDLING FACILITY."
TO INVESTIGATE WHY THUNDERBOLTS ARE RARE ON MARS, SCIENTISTS FOCUSED ON THE KIND OF LIGHTNING THAT DUST STORMS COULD GENERATE. SAND GRAINS AND OTHER PARTICLES IN THESE STORMS CAN BUILD UP ELECTRIC CHARGE THROUGH THE "TRIBOELECTRIC EFFECT," THE SAME EFFECT BEHIND EVERYDAY STATIC ELECTRICITY. WHEN TWO OBJECTS REPEATEDLY COLLIDE WITH OR RUB AGAINST ONE ANOTHER, THE SURFACE OF ONE MATERIAL CAN STEAL ELECTRONS FROM THE SURFACE OF THE OTHER, ACCUMULATING CHARGE.
THE ITALIAN ROVER CONTROL CENTER IS A COMBINATION MISSION CONTROL CENTER — WHICH WILL COMMUNICATE WITH ROSALIND FRANKLIN — AND A NEXT-DOOR MARS YARD WHERE CONTROLLERS CAN PRACTICE ROVER DRIVING. WHILE ROSALIND FRANKLIN MUST BE SOMEWHAT AUTONOMOUS (BECAUSE A SIGNAL SENT TO MARS CAN TAKE ANYWHERE BETWEEN 4 AND 24 MINUTES TO ARRIVE, DEPENDING ON THE DISTANCE FROM EARTH), THE MARS YARD IS A SPOT WHERE CONTROLLERS CAN SIMULATE SCENARIOS WHEN THEY HAVE TIME TO SPARE.

 

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