CRYSTALS found in comets could be the remnants of stellar burps.
We know that half the dust inside comets is crystalline, but where did it come from? The dust in the gas cloud that formed comets and the rest of the solar system is thought to consist of amorphous glass-like grains instead.
In January 2008, Attila Juhász of the Max Planck Institute for Astronomy in Heidelberg, Germany, and colleagues, studied the infrared light given off before and after an outburst of the young star EX Lupi, which allowed them to infer the chemical composition of the dust surrounding…
