The seven-planet announcement on February 22, 2017 rested partly on work done to an already operating telescope. NASA said engineers had improved Spitzer’s ability to observe planets crossing their stars during its warm mission, after its coolant ran out. That contribution deserves attention alongside the count of newly identified worlds. [nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around-single-star]

NASA reported nearly continuous observation of TRAPPIST-1 for 500 hours in fall 2016. Those are telescope hours, not a measure of staff time. The account identifies science operations at Caltech’s Spitzer Science Center and spacecraft operations at Lockheed Martin. It documents different kinds of work without supplying staffing levels, wages or a labor budget. [nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around-single-star]

ESO’s account adds the observing judgment behind further investigation. A triple transit recorded with HAWK-I on the Very Large Telescope showed evidence of another planet and prompted intensified follow-up. Recognizing that signal and improving an instrument’s observing ability are distinct contributions. NASA and ESO describe one research effort, not independent replications of its findings. [nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around-single-star][eso1706]

The resulting Spitzer data supplied sizes for seven planets and first mass estimates for six. The outermost planet still lacked a mass estimate. For readers assessing public science, this offers a concrete way to recognize skilled work: name the capability improved and the observations it enabled, rather than turn a discovery headline into an unsupported claim about jobs or productivity. [nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around-single-star]

Source documents

  1. NASA Telescope Reveals Largest Batch of Earth-Size, Habitable-Zone Planets Around Single Starhttps://science.nasa.gov/missions/hubble/nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around-single-star/
  2. Ultracool Dwarf and the Seven Planetshttps://www.eso.org/public/news/eso1706/