![]() So if you’re getting Rogue Legacy flashbacks, that makes sense. Astalon has a similar set up to that except that the levels aren’t randomly generated. Instead we’ve got a well thought out layout that uses more of a Metroidvania kind of approach with you needing to go back to old areas once you’ve got the ability to unlock certain doors or clear previously unsurmountable obstacles. Now, we loved Rogue Legacy a lot but this approach is better. You feel more of a connection to the game world when you get to learn its layout properly and, for us, this gives the game more substance where as in Rogue Legacy we often felt we were brute-forcing the game. Dying over and over so that we could make incremental gains. It was great but this approach is arguably better. The other thing about Astalon is that it uses three characters. Initially this was irritating as we expected there to be some sort of co-op but instead this is a single-player experience with you controlling all three characters separately, kind of like The Lost Vikings but with you not being able to switch characters on the fly. At first it is quite restrictive and frankly a bit annoying having to go back to the group to switch characters to get past an obstacle that needs a certain ability to pass. But eventually, as you learn the levels and unlock teleporters, it becomes a bit more intuitive. The three characters all handle in a similar way but have unique traits to them. "The question is, does this change the strength of the magnetic field?" Frost told Live Science.įor now, his group isn't sure, but Frost said he's investigating the answer.Arias is the ‘fighter’ and uses a sword to fight at short range and can open certain doors that the others can’t. This is known as convection.Ĭonvection also happens between the inner and outer core, so if various parts of the outer and inner core are cooling at different rates, that could affect how much heat gets exchanged at the boundary - which might have an impact on the swirling engine powering Earth's protective sheath. There, it swaps places with cooler, denser mantle material, which sinks into the core below. That swirl happens, in part, because of a process in which hotter, lighter material from the outer core rises into the mantle above. Swirling iron in the outer core generates a magnetic field that stretches all the way from there to the space surrounding our planet. NASAĮarth's core plays a key role in protecting the planet from dangerous solar wind and radiation. The core's lopsided growth might impact Earth's magnetic fieldĪn illustration of Earth's magnetic field, in blue, as it protects the planet from solar radiation. The subducting plate cools the mantle in that area of the planet. When one plate pushes up against another, one subducts, or sinks, below the other. The genesis of that cooling chain, Frost said, could be Earth's tectonic plates. So the mantle on that side, in turn, must be cooling the outer core faster than the mantle on the other side. If iron is crystallizing more quickly on one side of the inner core than the other, that must mean the outer core is cooling faster on that side. "Every layer in the Earth is controlled by what's above it, and influences what's below it," Frost told Live Science. Gettyįrost's team isn't sure why iron crystals are forming unevenly in the inner core, but he said the answer likely lies in the layers above it - both the outer core and the mantle, a 1,800-mile-thick band of hot rock on which the tectonic plates float. An artist's concept of Earth's layers, including the crust, mantle, and inner and outer cores.
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