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Visualizing the massive scale of planets and giant stars

Explore a mind-blowing 3D visual comparison of celestial bodies, starting from small landmarks and planets like Earth and Mars up to massive giant stars like Betelgeuse and UY Scuti. Witness the ...
earthsky

Betelgeuse is smaller, closer, and won’t explode any time soon

Betelgeuse as seen in sub-millimeter wavelengths by the ALMA telescope in Chile. The “bump” on the left side is hot gas slightly protruding from the red supergiant star’s extended atmosphere. Image ...