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  1. en.wikipedia.org › wiki › Brown_dwarfBrown dwarf - Wikipedia

    11 hours ago · Brown dwarfs are substellar objects that have more mass than the biggest gas giant planets, but less than the least massive main-sequence stars.Their mass is approximately 13 to 80 times that of Jupiter (M J) —not big enough to sustain nuclear fusion of ordinary hydrogen (1 H) into helium in their cores, but massive enough to emit some light and heat from the fusion of deuterium (2 H).

  2. en.wikipedia.org › wiki › ParticulatesParticulates - Wikipedia

    11 hours ago · Particulates or atmospheric particulate matter (see below for other names) are microscopic particles of solid or liquid matter suspended in the air. The term aerosol commonly refers to the particulate/air mixture, as opposed to the particulate matter alone. [1]

  3. 11 hours ago · Ψηλά στο μεταγραφικό μπλοκάκι της ΑΕΚ βρίσκεται σύμφωνα με τα ιταλικά Μέσα ο Χοακίν Κορέα. Η Ένωση έχει ήδη κλείσει τις μεταγραφικές υποθέσεις των Κοϊτά, Στρακόσα και Περέιρα και παράλληλα ...