时间:2025-06-17 13:50:18 来源:网络整理编辑:娛樂
NASA's Curiosity rover spotted a strange rock on Mars, so of course, it shot it with a laser.The int
NASA's Curiosity rover spotted a strange rock on Mars, so of course, it shot it with a laser.
The intrepid, car-sized robot found an egg-shaped, golf ball-sized shiny rock that looked unlike any other rocks around it on Oct. 27.
NASA Scientists controlling the rover suspected that the odd rock is an iron meteorite that found its way to the Martian surface.
SEE ALSO:History's most spectacular Mars mission failsSo to confirm their suspicions, the researchers had Curiosity fire its laser at the meteorite.
The laser instrument (called ChemCam) has a specific scientific purpose. The instrument can decipher the chemical makeup of target rocks by gathering data on the types of light the rocks emit when hit with the laser beam.
According to Curiosity's chemical analysis, the rock discovered last week is made of nickel and iron. In addition, Curiosity also found an iron-nickel-phosphide mineral that is relatively common in these kinds of meteorites, but rare in other rocks, according to NASA.
These metal meteorites are also thought to be leftovers from the cores of asteroids floating around out in the solar system.
"Iron meteorites provide records of many different asteroids that broke up, with fragments of their cores ending up on Earth and on Mars," Curiosity team member Horton Newsom said in a statement.
"Mars may have sampled a different population of asteroids than Earth has."
This isn't the first meteorite a NASA rover on Mars has spotted.
NASA's Opportunity rover -- which is still roaming the surface of Mars -- found another iron-nickel meteorite on the planet's surface in 2009. That meteorite, known as the Block Island meteorite, is 2-feet-long, but Opportunity also found another, smaller space rock on the red planet in 2004.
Scientists aren't sure when Curiosity's meteorite (named Egg Rock) fell to the Martian surface, but the rover's laser may help them figure it out.
NASA will use the data collected by the ChemCam to figure out if the chemical composition in the interior of the meteorite is different from its exterior, possibly giving them clues as to how long the rock has been on eroding on the planet's surface.
The meteorite was found on lower Mount Sharp, the part of the Gale Crater that Curiosity is currently exploring. Scientists hope to use the rover's remaining lifespan to learn more about the past environment on Mars millions of years ago, giving them a deeper understanding of if and when the planet was habitable for microbial life.
The rover has been investigating the surface of Mars since its landing in 2012.
17 questions you can answer if you're a good communicator2025-06-17 13:20
Coronavirus outbreak empties out airports around the world2025-06-17 13:07
In lieu of E3, IGN is putting on its own Summer of Games event2025-06-17 12:42
Samsung will launch a Samsung Pay debit card this summer2025-06-17 12:39
Singapore gets world's first driverless taxis2025-06-17 12:37
Apple settles FaceTime class2025-06-17 12:11
Creatively, a new job platform, launches to help designers and other creatives find work2025-06-17 12:00
Apple's iPhone SE successor will, apparently, be called iPhone SE2025-06-17 11:52
Tourist survives for month in frozen New Zealand wilderness after partner dies2025-06-17 11:11
Tim Kaine becomes an unlikely cowboy anti2025-06-17 11:05
Ivanka Trump's unpaid interns share cringeworthy financial advice2025-06-17 13:34
Watch this kangaroo bounce through a deserted Australian city2025-06-17 12:59
Amazon workers in NYC warehouse strike to demand coronavirus protections2025-06-17 12:42
IRS announces May 13 deadline for direct deposit of stimulus checks2025-06-17 12:27
Metallica to seek and destroy your eardrums with new album this fall2025-06-17 12:26
Sonos owners can now blast tunes from free streaming radio service2025-06-17 12:09
Elon Musk wasn't kidding, he's actually selling his houses2025-06-17 11:50
LGBTQ Day of Silence: Here's how to join the virtual protest from home2025-06-17 11:38
Old lady swatting at a cat ends up in Photoshop battle2025-06-17 11:24
'Queer Eye' expert Bobby Berk is designing 'Animal Crossing' houses2025-06-17 11:08