Relating to or denoting a body much smaller than a typical star whose mass is not great enough to support main sequence hydrogen burning.
- Whereas some folks consider brown dwarfs the duds of the galaxy, astronomers see beauty in these substellar embers.
- The mass fraction under the form of substellar objects in the halo of the Galaxy is likely to represent only 5 to 15% of the total dynamic mass.
- We have completed the most extensive survey to date for low mass stellar and substellar companions to white dwarfs in the solar neighborhood.
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