Ancient Venus may have looked more like Earth than previously imagined. New research suggests that Earth’s neighbor may have once looked more like our own planet and less like the hellish landscape we now know it to be.
Though technically closer to our Sun than Earth, Venus may have once been in the Sun’s habitable zone – the area around a star where liquid water can exist – when our Sun was much dimmer. As such, ancient Venus may have had oceans spanning across its surface. But, its proximity to the Sun would have eventually led that water to evaporate and escape the surface, leading to a dense atmosphere.
But, it wasn’t always that, the research also suggests. Instead, Venus may have once been a temperate and wet world, somewhat like our own. This ancient Venus could have possibly beenThe research itself is based around large igneous provinces, which scientists have long explored a record of on Earth. These provinces are essentially the products of periods of large-scale volcanism, which can last tens of thousands or even hundreds of thousands of years.
During these periods, hundreds of thousands of cubic miles of volcanic rock can be deposited on the surface.that this is more than enough molten rock to bury the entire state of Texas half a mile deep. Today, Venus boasts temperatures of around 864 degrees Fahrenheit on average, and scientists believe the ongoing lava flows we see now tore apart ancient Venus, transforming it.
The scientists say they aren’t sure what would have caused these extended periods of volcanism in ancient Venus. The hope, though, is that studying Earth’s own large igneous provinces will provide some revelations. With NASA planning moreThis article talks about:
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