This photograph shows the Gamma-ray Cherenkov telescope in Meudon's observatory on January 30, 2026.. (Photo by Dimitar DILKOFF / AFP via Getty Images)

Astronomer Vincent Lapeyrere works with a 83 cm and 62 cm diameter telescope inside of the Grande Coupole or Great Refractor at Meudon's observatory park on January 30, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)

This photograph shows the Gamma-ray Cherenkov telescope in Meudon's observatory on January 30, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)

This photograph shows the Gamma-ray Cherenkov telescope in Meudon's observatory on January 30, 2026.. (Photo by Dimitar DILKOFF / AFP via Getty Images)

This photograph shows the Gamma-ray Cherenkov telescope in Meudon's observatory on January 30, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)

This photograph shows the sun reflecting in a window of the Grande Coupole or Great Refractor at Meudon's observatory park on January 30, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)

This photograph shows the Solar Observatory Tower at Meudon's observatory park on January 30, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)

This photograph shows the spectroheliograph at Meudon's observatory on January 30, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)