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Science

This dwarf planet might have its very own ice volcano

The dwarf planet Makemake, which chills out in the deep freeze of the outer Solar System, might be home to an ice volcano1. Access options Access Nature and 54 other Nature Portfolio journals Get Nature+, our best-value online-access subscription 24,99 € / 30 days cancel any time Subscribe to this journal Receive 51 print issues and online access […]

Science

The cool brown dwarf Gliese 229 B is a close binary

Brandt, M. et al. Improved dynamical masses for six brown dwarf companions using Hipparcos and Gaia EDR3. Astron. J. 162, 301 (2021). ADS  Google Scholar  Cheetham, A. et al. Direct imaging of an ultracool substellar companion to the exoplanet host star HD 4113 A. Astron. Astrophys. 680, A64 (2018). Google Scholar  Li, Y. et al. […]