Nation Why are Jason Momoa and other Native Hawaiians protesting a telescope on Mauna Kea? What’s at stake? August 21, 2019 Kristin Lam, USA TODAY Comments Off on Why are Jason Momoa and other Native Hawaiians protesting a telescope on Mauna Kea? What’s at stake? Protests against the Thirty Meter Telescope at Mauna Kea on Hawaii's Big Island have elevated issues of Native Hawaiian rights and conservation.