📡ALMA pinpoints the radio signature of planetary growth. New multi-frequency observations reveal that the growing giant planet PDS 70c shines in radio waves not from dust, but from ionized gas in its environment.
https://t.co/wpGjp29pFS
GRB 221009Aで生じたダストのX線散乱ハローを用いて星間ダストサイズやX線屈折率を推定したという話."The absorption results suggest a substantial mass fraction of iron at 35±7%."
https://t.co/2XMaEhLg9Z
プレソーラー炭化ケイ素粒子が原始惑星系円盤での熱過程を生き残るための条件を蒸発実験から決定した共同研究論文が出版されます.Yamamoto+ (2025) Evaporation kinetics of silicon carbide in a low-pressure H2-H2O gas ... GCA. https://t.co/iaWhvRVICU
📡✨This is how planets form around stars! These solar systems outside our own are the highest-resolution images observed by ALMA, and they suggest that their shapes are related to how the planets that form there give them a distinct silhouette
🔗https://t.co/Ul6VVsfCBU