Using ESO telescopes, researchers have measured the composition of a lonely object lurking in the outer edges of our solar system and tracked its origin. The Kuiper Belt starts past the orbit of Neptune, roughly 30 astronomical units from sunlight, roughly 30 times the distance between sunlight and Earth, and might stretch nearly as far too interstellar space. It is the first time that such an asteroid carbonate, a remnant of the primitive solar system, is discovered in that frozen area.
The discovery of 2004 EW95, made by an global team of astronomers using ESO's Very Large Telescope, helps strengthen theories about the dynamical evolution of the Solar System that describes how the planets ended up where we see them today.
This means the asteroid was nearly certainly formed inside the main asteroid belt, so how did it end up on the far end of the solar system?
2004 EW95 is one such body and it likely started life in the asteroid belt between Mars and Jupiter.
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 Carbonaceous asteroids are those containing the element carbon or its various compounds. Instead, it appeared to have formed in a hotter environment, closer to the Sun.
"It's like watching a giant mountain of coal against the darkness of the night sky", says Thomas Puzia, co-author of the study and professor at the Pontificia Universidad Católica de Chile. "The rock had been altered by the presence of liquid water". They also found that the asteroid's chemistry was overrun with compounds known as ferric oxides and phyllosilicates.
Since Kuiper Belt Object 2004 EW95's spectrum shines brightly, its light can be broken down into different wavelengths, enabling researchers to determine its chemical composition. However, identifying the chemical composition of such a distant object is extremely hard. The strong spectral lines radiating from this unusual asteroid caused it to stand out from its peers, which have relatively dim spectra.
The discovery is significant because scientists believe that this object formed in the asteroid belt between Mars and Jupiter, and was catapulted billions of miles from its home in the initial states of the solar system, when the gas giants (Jupiter, Saturn, Uranus and Neptune) were formed. This ancient, exiled rock from the solar system's primordial days provides unprecedented evidence of what that early time was really like, researchers said in the statement.
We should also probably be thankful for this migration of the gas giants. So we should be grateful that they moved in just the right way to allow our planet to be formed, and ultimately, enable a species of primates we call humans emerge and evolve on this blue dot we claim as home. This was the first time those compounds had been seen on Kuiper belt objects, reports The Times.