## The Roman telescope has enough gas for 22 years, double NASA’s expectations The Nancy Grace Roman Space Telescope is the first NASA observatory designed for in-space refueling. NASA’s Nancy Grace Roman Space Telescope is gliding toward its distant observation post on a pinpoint trajectory so precise that engineers estimate the spacecraft’s fuel load will last twice as long as their initial expectations, the space agency confirmed Monday. The $4.3 billion observatory’s designers originally planned to load enough propellant into Roman’s four fuel tanks for a minimum lifetime of five years,…