News
Mars’ longtime polar mystery may have finally been solved
From the surface, Mars may seem like a dry, desert-like world lacking water, but a closer look at the planet’s poles will some striking structures: massive polar ice caps.
At the north pole, the ruddy terrain peeks through the ice, like zebra stripes. In the south pole lurks a mystery, a massive deposit of frozen carbon dioxide and water ice. Scientists have spent decades trying to understand how it formed and how it’s linked to the amount of carbon dioxide (CO2) in the Martian atmosphere.
A pair of scientists in the 1960s came up with a plausible theory, and now, decades later, a new study published in Nature Astronomy may have confirmed their findings.
The massive deposit — measuring 3,280 feet (1 kilometer) thick — contains sheets of water ice and carbon dioxide arranged in alternating layers, like a cake. It’s topped off with a thin frosting of carbon dioxide ice, and scientists noticed something interesting: the massive ice deposit contains as much carbon dioxide as the entire Martian atmosphere.
Peter Buhler, a planetary scientist at NASA’s Jet Propulsion Laboratory led the new study. The team used computer simulations to map out the ice, and they were surprised at how closely their models matched with what Robert B. Leighton and Bruce Murray predicted decades ago.
“Usually, when you run a model, you don’t expect the results to match so closely to what you observe,” he said in a statement. “But the thickness of the layers, as determined by the model, matches beautifully with radar measurements from orbiting satellites.”
The ice cap puzzled researchers because according to science, it shouldn’t exist. That’s because water ice is more thermally stable and darker than carbon dioxide ice, which means that it should destabilize when layered between water ice.
However, the new model explains this behavior. Buhler and his team say there are three reasons why the frozen carbon dioxide exists. First, Mars wobbles as it orbits the sun, and when it does, the slight changing of the tilt alters the amount of sunlight that hits the ice. Second, each type of ice reflects the sun a bit differently. And lastly, because of the exposure to sunlight, the carbon dioxide sublimates–meaning it goes directly from a solid to a gas–which alters the atmospheric pressure.
As Mars wobbles, the amount of sunlight reaching the ice varies, causing the ice to form and then later sublimate. When the carbon dioxide ice was forming, water ice would’ve been trapped with it. But when that ice sublimated, the more stable water ice would have remained behind, forming the layers we now see at the south pole.
https://www.youtube.com/watch?v=8Gj8dr6AsYg
Mars’ climate, just like Earth’s, has changed over millions of years. To that end, not all of the carbon dioxide ice was lost; some were left behind to build up the varying layers we see—a process that has altered the red planet’s atmospheric pressure.Â
This is what Leighton and Murray hypothesized back decades ago, and this is what Buhler’s new model shows.
“Our determination of the history of Mars’s large pressure swings is fundamental to understanding the evolution of Mars’s climate, including the history of liquid water stability and habitability near Mars’s surface,” Buhler said in a statement.
By understanding what processes formed the south polar ice cap, scientists can better understand more of what happened in Mars’ history.
News
BYD is under investigation for violating the EU’s EV subsidy rules
The EU is investigating BYD for allegedly using unfair subsidies in its Hungary EV plant.
China’s top automaker, BYD, is under investigation by the European Union for violating the EU’s electric vehicle (EV) subsidy rules.
According to the Financial Times, BYD received unfair subsidies from China which were used in its electric car plant in Hungary. Subsidies from the Chinese government are the main reason the EU Commission decided to implement additional tariffs on exported electric vehicles made in China and sold in Europe. The subsidies from China reportedly enabled car manufacturers to make China-made EVs cheaper in the EU market, affecting Europe’s local OEMs and competition in the domestic market.
The European Commission is in the early stages of a foreign subsidy probe into BYD’s EV plant in Hungary. If the Commission finds evidence that China provided subsidies to BYD’s EV plant in Hungary, it may force the Chinese automaker to sell some assets, reduce capacity, repay the subsidy, and pay a fine for non-compliance.
In October 2024, enough member states of the European Union voted to impose additional tariffs on China-made electric vehicles.
“Today, the European Commission’s proposal to impose definitive countervailing duties on imports of battery electric vehicles (BEVs) from China has obtained the necessary support from EU Member States for the adoption of tariffs. This represents another step towards the conclusion of the Commission’s anti-subsidy investigation,” announced the Commission after the EU member states’ vote.
The European Union imposed a 17.0% levy on BYD specifically, on top of the EU’s standard car import duty of 10%. Geely received an additional duty of 18.8%, while SAIC received a tariff rate of 35.3%. Most automakers who build cars in China and export to Europe will have a duty of 35.3%. Only a few automakers, like Tesla and BYD, have an assigned duty rate.
Tesla invited the EU Commission to inspect its operations in Shanghai to determine a separate tariff rate for its China-made EVs exported to Europe. Tesla received a duty of 7.8% after the investigation.
Tesla owners are being doxxed by a controversial anti-DOGE website in what it called an act to “empower creative expressions of protest.”
Dogequest, a website that has been created with a clearly outlined use for intimidation against Tesla owners, posted the names, addresses, phone numbers, and other contact information of those who own vehicles made by the electric vehicle manufacturer.
It was spotted by 404 Media.
The site also claims to have the information of employees at the Department of Government Efficiency, as well as the addresses of Tesla dealerships and the locations of Tesla Superchargers. The latter two are public information.
However, the website is hoping to get Tesla owners to sell their vehicles in this evident intimidation tactic. However, the information on the website, while it was seen, was not verified to prove that it contained the information of real-world Tesla owners. The site was not accessible by Teslarati at the time of publication.
The creation of a site like Dogequest is just another level that anti-Elon Musk activists are taking to attempt to destroy a company like Tesla as its CEO works with the Trump Administration to eliminate excessive government spending through the work of DOGE.
It is also the latest attack on Tesla owners, who have seen their vehicles vandalized, damaged, and even destroyed by those who disagree with the actions of Musk.
Tesla as a company has also seen several acts of retaliation against it, as everything from the arson of its showrooms and vehicles to it being kicked from the popular Vancouver Auto Show have come as a result of the recent backlash against the company.
Moving forward, there are still questions surrounding how these attacks will be combatted. The Trump Administration has indicated that acts of vandalism against Tesla would be considered a federal crime, but the tricky part of locating the culprits has proven to be extremely difficult. Only a handful have been found and held accountable.
Tesla (NASDAQ: TSLA) received an upgraded rating on its shares from Wall Street firm Cantor Fitzgerald, who recently took a trip to Austin to visit the company’s data centers and production lines ahead of several high-profile product launches set for this year.
It was a bold move, especially considering Tesla shares are under immense pressure currently, fending off negative news regarding the company’s sentiment and potentially lower-than-expected delivery figures due to the launch of a new version of its most popular vehicle, the Model Y.
However, the bulls on Wall Street are still considering Tesla to be a safe play, especially considering its robust presence in various industries, including automotive, energy, and AI/Robotics.
Cantor Fitzgerald analyst Andres Sheppard said in a note that, during a recent visit to Tesla’s Cortex AI data centers and the production line at Gigafactory Texas, it was clear there is a lot of potential and runway for Tesla in 2025:
“On 3/18, we visited Tesla’s Cortex AI data centers and the factory’s production lines ahead of the company’s introduction of its Robotaxi segment (targeted for June in Austin, followed by CA later in 2025). With Tesla’s shares now down ~45% YRD, we upgrade Tesla to Overweight (from Neutral) ahead of upcoming material catalysts. Our $425 12-month PT is unchanged. Our Thoughts: Attractive Entry Point Ahead of Material Catalysts.”
Sheppard went on to mention the catalysts, which he believes are the Robotaxi rollout in Austin in June, along with the continued rollout of Full Self-Driving in China, the eventual rollout of FSD in Europe, and the introduction of the affordable models in the first half of this year, and those were just on the automotive side.
There are several others, including Optimus, growth in the energy division, and in the longer term, the Semi.
In terms of potential weaknesses, Sheppard expects the likely removal of the EV tax credit and some of its growth to be offset by tariffs as the two big things that stand in the way of even more growth for the company.
Tesla is up over 5 percent on Wednesday, trading at $236.86.
BYD is under investigation for violating the EU’s EV subsidy rules
Tesla owners doxxed by controversial anti-DOGE website in clear intimidation tactic
Tesla gets an upgrade on ‘upcoming material catalysts’
-
News2 weeks agoTesla at risk of 95% crash, claims billionaire hedge fund manager
-
News2 weeks agoSpaceX announces Starship Flight 8’s new target date
-
News2 weeks agoTesla contract with Baltimore paused after city ‘decided to go in a different direction’
-
Elon Musk4 days agoElon Musk roasts owners of this car brand after another Tesla vandalism incident
-
Elon Musk1 week agoPresident Donald Trump buys a Tesla at the White House – Here’s which model he chose
-
News7 days agoRivian supports Tesla despite all the Elon Musk hate
-
Elon Musk7 days agoTesla says it will be a victim of Trump admin’s tariff strategy
-
News3 days agoSpaceX rescue mission for stranded ISS astronauts nears end — Here’s when they’ll return home