December 27, 2021 Updates Posted on December 27, 2021 by Doug Loss Accreting protoplanets: Spectral signatures and magnitude of gas and dust extinction at H α https://www.aanda.org/articles/aa/full_html/2022/01/aa37494-20/aa37494-20.html Surface Measurement of a Large Inflatable Reflector in Cryogenic Vacuum https://www.mdpi.com/2304-6732/9/1/1/htm Terrestrial planet formation from lost inner solar system material https://www.science.org/doi/10.1126/sciadv.abj7601