NASA's Goddard Space Flight Center: Twinkle, twinkle, little star, how I wonder what you are. Astronomers are hopeful that the powerful infrared capability of NASA's James Webb Space Telescope will resolve a puzzle as fundamental as stargazing itself -- what IS that dim light in the sky? Brown dwarfs muddy a clear distinction between stars and planets, throwing established understanding of those bodies, and theories of their formation, into question.
NASA's Goddard Space Flight Center: Twinkle, twinkle, little star, how I wonder what you are. Astronomers are hopeful that the powerful infrared capability of NASA's James Webb Space Telescope will resolve a puzzle as fundamental as stargazing itself -- what IS that dim light in the sky? Brown dwarfs muddy a clear distinction between stars and planets, throwing established understanding of those bodies, and theories of their formation, into question.
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