Object between a planet and a star
A brown dwarf is larger than a planet but not massive enough to behave like a normal star. It stays dim and is often studied in infrared light.
A brown dwarf sits between giant planets and small stars.
A dim reddish-brown object against a star field.
A brown dwarf sits between giant planets and small stars.
A brown dwarf forms more like a star than a planet, but it does not have enough mass to keep shining like a normal star for billions of years.
They help readers understand that space objects do not always fit into simple categories. Nature can produce objects that sit in between familiar groups.
Because they are dim, brown dwarfs can be easier to study in infrared wavelengths than in visible light.
Think of a faint warm ember in space: bigger than a planet, but not bright like the Sun.
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