Talk:Radioisotope heater unit

Can gadolinium-148 be used in radioisotope heater unit?
Its α decay half-life (86.9 years) is very close to that of plutonium-238 (87.7 years). 129.104.241.193 (talk) 08:20, 28 April 2024 (UTC)
 * It's actually been suggested. :) Double sharp (talk) 10:28, 3 May 2024 (UTC)