Evidence item

The nucleobase result is tied to an acid extract and identified sample subset rather than all returned material. DIRECT_TEXT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 12963

Source: Abundant ammonia and nitrogen-rich soluble organic matter in samples from asteroid (101955) Bennu · locator {} · excerpt hash sha256:1a7c898a9a0a1f3fe0ec4294e548a9554656a57ada74cf0d74b3b28bf3462c35

At least 23 different N-heterocycles, including all five canonical biological nucleobases (adenine, guanine, cytosine, thymine and uracil), were identified in an acid extract.