The Nancy Grace Roman Space Telescope, named after NASA's first Chief of Astronomy, will observe black holes, exoplanets and exploding stars. One month of Roman telescope observations would take Hubble about a century, its project scientist says. Key points and original sources are listed below.

• The Nancy Grace Roman Space Telescope, named after NASA's first Chief of Astronomy, will observe black holes, exoplanets and exploding stars.S1

• One month of Roman telescope observations would take Hubble about a century, its project scientist says.S2