Scientists found loads more molecules associated with life on Mars
Scientists found loads more molecules associated with life on Mars
08 June, 2018, 04:13
Eigenbrode said that regardless where the organic material came from, its existence means that any microbial life found on Mars would have had a food source.
"Although the surface of Mars is inhospitable today, there is clear evidence that in the distant past, the Martian climate allowed liquid water - an essential ingredient for life as we know it - to pool at the surface", NASA reports.
On Mars, organic molecules could have been produced by some form of either present or past lifeforms. "The chances of being able to find signs of ancient life with future missions, if life ever was present, just went up", said Curiosity's project scientist, Ashwin Vasavada. "And what it does, it gives us a key to unlocking the mysteries associated with Mars methane because now we have something to test our models and our understanding against".
The discoveries were found using the US space agency's Curiosity Mars Rover, which has been studying the Red Planet's surface since it first landed in 2012.
Some sort of biology can't be ruled out, of course, but any kind of complex organic chemistry would still tell us something about how life arose on Earth.
No, NASA hasn't discovered life on Mars yet-but a new result makes it seem like maybe, at some point in the planet's history, the conditions were ripe for some extraterrestrial beings.
The samples were drilled from the base of Mount Sharp, inside a basin called Gale Crater.
The case for past habitability on the Red Planet is bolstered by the discovery of preserved organic compounds revealed today, as they are as old as the around 3.5 billion year old sedimentary rocks in which they were found.
The discovery leaves open the possibility that microorganisms once populated the red planet - and still might.
In addition to finding organic molecules in the rocks in Gale Crater, rover scientists are reporting another intriguing finding. The rock samples were analyzed by SAM, which uses an oven to heat the samples (in excess of 900 degrees Fahrenheit, or 500 degrees Celsius) to release organic molecules from the powdered rock. And the high amount of sulfur in the samples is most likely how they've lasted so long, the researchers said.
"There's three possible sources for the organic material", said astrobiologist Jennifer Eigenbrode of Nasa's Goddard Space Flight Center in Maryland.
Although there is not enough information to know whether the carbon molecules were created by biological or non-biological processes, it is possible that they could be a source of methane, Dr Eigenbrode said. The timing of the pulses provides an important clue. This new discovery builds on the inventory of molecules detected in the ancient lake sediments on Mars and helps explains why they were preserved.
"If there are no organics, we can pretty much forget about there being life or ever having been life on Mars", says Dr. Weintraub.
"The idea that best fits our data is the idea of sub-surface storage", he said. But they could also be the result of abiotic chemical reactions on the surface of the planet.
This work was funded by NASA's Mars Exploration Program for the agency's Science Mission Directorate (SMD) in Washington.
"We don't know if that methane is ancient or modern", Webster said in a press conference.
She had also worked for the social development ministry in Buenos Aires province and at a United Nations office in Panama. Her death comes 10 months after the death of Maxima's father Jorge Zorreguieta , who died at the age of 89 from cancer.
Top Gun: Maverick is the sequel that anyone over the age of 30 has wanted for so very long and they didn't even know it. Jerry Bruckheimer is also returning to produce Maverick and will be joined by Skydance's David Ellison.
The Canadian prime minister has called the decision " totally unacceptable " and " insulting " during various media appearances. Numerous attending members have expressed displeasure with Trump's tariffs last week.
In the meantime though, there is one pretty excellent Xbox One X deal already available right now from Currys/PC World. The Xbox One X will be $50 off during the duration of Microsoft's E3 sale , bringing it down to a grand total of $449.
Halep, who also lost in the 2014 final, will next face either two-time Grand Slam champion Angelique Kerber or Caroline Garcia. Rising Russian Daria Kasatkina has sent Australian Open champion Caroline Wozniacki crashing out of the French Open in Paris .
She was actively seeking help and working closely with her doctors to treat her disease, one that takes far too many lives. Coach, now known as Tapestry, bought the Kate Spade brand previous year for $2.4 billion, seeking to broaden its appeal.
The study was supported in part by the Breast Cancer Research Foundation, Komen Foundation, and the Breast Cancer Research Stamp. Moore said the study results will help her and other physicians expand the number of patients who can be spared chemotherapy.
The Romanian broke at the start of the second set and then held for 6-3 as Kerber dropped her serve again in the ninth game. However, if you're picking this match based on the current form, you can't pick against Muguruza.
Polten, but they finally came to life upon taking the lead 32 minutes in - Leckie tucking in from close range. I wish that Daniel will make Australia proud of him and that he'll make the soccer family proud of him too".
Cauley has yet to win on the PGA Tour, though he earned a PGA Tour card at age 21 without having to go through Q-school. It is still not clear who was driving, although Cauley was a passenger according to his management company, IMG.
He then patted Khachanov, a friend from their junior days, sympathetically on the chest before pumping his arms in celebration. An ace gave him another set point but he also missed that one, putting a low volley into the net.
Amazon is killing the TV remote
No more scrounging around for a remote-Alexa can find and access anything on any of your connected devices, even cable channels. Then imagine that control plugged into your TV so you can control everything plugged in there with your voice as well.
The Girl In The Spider's Web: first trailer
In the trailer, Foy's character rigs a trap for such a man, who she has no qualms about shooting in the crotch with a stun gun. Salander has become a cult hero over the course of the last few years, originating in Stieg Larsson's book series.
Samsung plans camera revamp for Galaxy Note 9
Samsung is reportedly preparing to unveil their flagship Galaxy Note 9 at the Samsung Unpacked event to be held in NY on August 9. While the former model comes in Black and White colour variants, the latter is available in Black and Blue colour models.
Dwight Clark dies at 61 after losing battle with ALS
Brady, who still plays for the Patriots, was in the stands when Clark caught the game-tying touchdown pass from Montana. Clark caught 508 passes for 6,750 passes and 48 touchdowns and nearly all of those receptions came from Montana.
Rajinikanth fans celebrate Kaala release
If initial reviews are anything to go by, it looks like the Pa Ranjith's film is a victor at the box office. However, the fans have now chose to cross the border and go to their neighbouring states to watch the film.