Wednesday, June 18, 2025

Urban and Satellite Light Pollution Dims Star Visibility

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This week marks the fourth official celebration of Matariki in Aotearoa New Zealand, coinciding with the star cluster’s appearance in the night sky. However, the celebrations and the legislation designating Matariki as a public holiday have been criticized for failing to address light pollution, which obscures celestial visibility. While the law recognizes its cultural significance as the start of the Māori New Year, it neglects the role of dark skies in experiencing Matariki and other stars like Puanga. Amidst vibrant light displays and drone shows planned for various cities, concerns persist that these festivities contribute to light pollution rather than protect the dark skies vital for stargazing. Calls for new legislation to safeguard dark skies—integrating Māori knowledge and addressing light pollution—remain urgent as urbanization continues to impact New Zealand’s night sky visibility.

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