Gemini telescope

The companion star (blue) of Betelgeuse (orange) was discovered using the Alupka instrument at the Gemini North Observatory. The discovery answers a millennia-old question about why Betelgeuse's brightness varies on a cycle of about six years. Credit: International Gemini Observatory/NOIRLab/NSF/AURA Image processing: M. Zamani (NSF NOIRLab)

After decades of searching: Betelgeuse's elusive companion star discovered

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Using the Gemini Telescope in Hawaii, astronomers have managed to locate a young star orbiting Betelgeuse, within its atmosphere – a discovery that explains the red supergiant's brightness fluctuations.
Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

For the first time, a planet orbiting a sun similar to ours has been photographed

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