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The Winchcombe meteorite belongs to a rare class of rocks known as carbonaceous chondrites.

Analysis also revealed small carbonaceous materials with abundant nano-pores and iron sulfide inclusions in the melt splashes.

The researchers found that Phaethon's spectrum corresponds exactly to a certain type of meteorite, the so-called CY carbonaceous chondrite.

What’s more, studies of light reflected from Psyche suggest it isn’t purely metal but probably contains some carbonaceous material, a typical asteroid ingredient, and rocky silicate minerals.

Unlike carbonaceous chondrites, these meteorites come from asteroids or other rocky bodies that have been partially melted by radiation and geologic processes.