Recently, northeastern Australia was riddled with a rare green fireball. Creating a flash of light, it was visible for hundreds of miles around. explanations.
According to astrophysicist Brad Tucker of the National University of Canberra, Australia, this huge green ball of fire is actually a meteorite. It traversed the country at nearly 150,000 km/h. It exploded in the atmosphere far from Earth’s surface, leaving a crater in the Australian desert.
This harmless explosion was heard thousands of kilometers away by the country’s population. Its green color is associated with the formation of the meteorite. According to scientists, the green color appears during the combustion of nickel and iron in the lower layers of the atmosphere. With air friction, a meteorite made of water ice melts, taking on a color depending on its composition.
A meteorite of this type usually comes from the far reaches of the solar system. Most of the time, the rocks come from the asteroid belt between Mars and Jupiter. For an often unknown reason, it can leave its trajectory and approach the sun.
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