-
Presolar grains are
interstellar solid matter in the form of tiny
solid grains that
originated at a time
before the Sun was formed.
Presolar grains formed...
-
presolar material.
Presolar grains definitionally existed before the
Earth was formed.
Presolar grain (and, less frequently, "stardust" or "
presolar stardust")...
-
created the
presolar nebula. The
oldest inclusions found in meteorites,
thought to
trace the
first solid material to form in the
presolar nebula, are...
-
known as
presolar grains, of
mineral grains from AGB
stars are
available for
laboratory analysis in the form of
individual refractory presolar grains....
- W.; Lattmer, J. M.; Margolis, S. H. (1977). "Are
supernovae sources of
presolar grains?". Nature. 270 (5639): 700–701. Bibcode:1977Natur.270..700F. doi:10...
- rare, but is
found in high-grade
metamorphic rocks on Madagascar. Some
presolar grains in
primitive meteorites consist of hibonite.
Hibonite also is a...
-
hypothesised to have
formed from a
rotating disk of gas and dust
known as the
presolar nebula. Much of the nebula's gas,
primarily hydrogen and helium, formed...
- meteorites.
Stardust is one
component of
cosmic dust and is
frequently called presolar grains. The
measured isotopic compositions in
stardust grains demonstrate...
- and
reactions with
water raised the
number to 250.
Before 4.56 Ga, the
presolar nebula was a
dense molecular cloud consisting of
hydrogen and
helium gas...
- CRC Press. p. 1.14. ISBN 1-4398-5511-0. "Searching for the
Origins of
Presolar Grains". Energy.gov.
Retrieved 4
February 2023. Paytan, Adina; Yao, Weiqi;...
