Unexpected Discovery: Our galaxy is full of toxic '' grease ''

Among the dust, gases and electromagnetic radiation found among the Milky Way stars, there is a toxic grease mass. "Spatial grease" - which is actually an oily form of hydrogen and carbon molecules called aliphatic compound - is one of the many types of carbon that is spilled into space in the stars and can be one of the essential ingredients in the formation of new stars and planets.

Until now, the scientists did not know exactly how much "dirt" was in the Milky Way, but in a recent study published in the Monthly Notices of the Royal Astronomical Society, researchers at the University of New South Wales in Australia and Ege University in Turkey has come to the conclusion that our galaxy contains five times larger amounts of aliphatic compounds than suggested earlier estimates, says Live Science.

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"It's dirty, probably toxic, and it's only formed in interstellar space - and in our labs," said Tim Schmidt, professor of chemistry at UNSW and lead author of the study. The scientist also adds that the solar wind is probably what keeps grease to get into our solar system.

In the new study, Schmidt and his team analyzed the compounds by creating them in the lab. To mimic the process by which stars synthesize the gases and eject them into interstellar space. Using spectroscopy, the team determined how they are seen in infrared light and how much light they absorb at certain wavelengths of this type of light, which would affect the measurements of instruments that try to detect the presence in space.

With the help of these analyzes, the scientists have determined that there are about 100 atoms of space dirt per million hydrogen atoms - which also means about a quarter to one-half of all carbon atoms in interstellar space.

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