Orca calf successfully returns to open water after daring Canadian rescue
An orca calf trapped for weeks in a remote lagoon in western Canada has been freed and is headed for open water, in what a growing number of human advocates …
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Detailed study of the young open star cluster Messier 39
The Gaia color magnitude diagram of M 39 shows the members identified in the study. Color indicates membership level, as defined in the text. Credit: arXiv (2023). DOI: 10.48550/arxiv.2312.08581 Italian …