The impact of a giant wooden ball the size of Texas landing in the ocean would create an enormous tidal wave. Marine life in the vicinity would be severely affected, with disruption to their habitats and potential mass casualties. Turbulence and strong currents would be generated, altering the ocean's entire ecosystem. Ships and vessels in the area might incur major damage or even capsize, especially if caught off guard. The colossal wooden ball would absorb water, potentially causing it to become waterlogged and sink deeper into the ocean. The massive displacement of water by the ball would lead to a rise in sea levels, impacting coastlines around the world. Overall, the consequences would be catastrophic for marine ecosystems and coastal regions, leading to significant environmental and societal effects.

Well, if a LEGO planet with 0.5 times the mass of Jupiter suddenly appeared in deep space through non-zero probabilistic phenomena or quantum tunneling, several interesting things would unfold. The LEGO planet's low mass compared to Jupiter means it would likely lack the necessary gravitational pull to become a fully formed planet. However, if it maintained its integrity, it would be a captivating sight in the vastness of space, resembling a gigantic LEGO sculpture floating among the stars. LEGO enthusiasts and space enthusiasts alike would undoubtedly be intrigued, marveling at the peculiar cosmic combination of their favorite building material and the wonders of the universe. Scientists and researchers would also undoubtedly seize the opportunity to study this extraordinary phenomenon, examining the structural properties, composition, and behavior of this LEGO celestial body. Eventually, the LEGO planet's inherent fragility might cause it to break apart, scattering LEGO pieces across the cosmos or disintegrating into space debris. In the end, the appearance of a LEGO planet in deep space would be a remarkable event, fueling imagination, curiosity, and scientific exploration.