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Hidden Oceans of Magma Could Be Protecting Alien Life
Deep within massive rocky exoplanets, hidden oceans of molten rock may be generating powerful magnetic fields in an unexpected way.
This Giant Machine Could Help Us Find Aliens!
There might be a new way to find aliens. Yes, really.Today, we usually discover planets outside our solar system by measuring tiny dips in a star’s brightness when a planet passes in front of it. This method is called transit photometry. However, it’s not as perfect as it sounds.Most planets don’t pass in front of their stars from our point of view. And even when they do, stars like our Sun are incredibly bright, while planets like Earth are so small and dim that they’re almost impossible to detect.That’s why most of the planets we’ve found so far are either much larger than Earth or orbit dimmer stars. In other words, we might actually be missing our best chances of finding Earth -like planets- and potentially life.To solve this problem, scientists have come up with a fascinating idea: a structure that unfolds in space into a giant star shape, called a STARSHADE. This system is positioned in front of a telescope to block the intense light coming from a star.As a result, planets that would normally be hidden in the star’s glare can become visible.So let’s say we discover a new planet… How do we know if there’s life on it?This is where the planet’s atmosphere comes in. Scientists analyze the light coming from the planet to determine which gases are present. Gases like oxygen, methane, and water vapor are considered potential signs of life.So this technology won’t just help us find new planets, it could also help us figure out whether those planets host life.Maybe we’ll never see aliens directly.But the first signs of their existence might be hidden in the atmosphere of a distant world.https://science.nasa.gov/science-research/science-enabling-technology/technology-highlights/starshade-enable-first-images-earth-sized-exoplanets/https://www.northropgrumman.com/what-we-do/space/starshade
Take a Look Inside Australia's Deepest Cave, Found in Tasmania
Here's what they found. Related: How Did They Find the Cave? How on earth does one even stumble across the deepest cave in Australia? The trick is, you don't. The explorers found the newly discovered 'Delta Variant' cave back in January 2022 as it connects to the 'Niggly' and 'Growling Swallet' cave system.
Space's Deepest Secrets Season 4 Episode 4 Journey to Alien Earths
09:17 But every alien world we find has new mysteries. 09:23 Could an ice cavern hidden inside a moon also be home to a new kind of life? 09:43 Across the planet, scientists scan the night sky in search of alien worlds. 09:51 They hunt for evidence of a precious liquid that turns barren rocks into thriving ecosystems.
