Questions tagged [nancy-grace-roman-telescope]

Filter by
Sorted by
Tagged with
5
votes
1answer
107 views

Where was this photo of Nancy Grace Roman taken, what is the display shown?

Where was this photo of Nancy Grace Roman taken, what is the display shown, is there any technical information on this display and where is it now? If this is a NASA photo then there should be an ...
3
votes
1answer
90 views

Why is the Nancy Grace Roman Space Telescope's field of view shaped like a PacMan "ghost"?

The Curious Droid YouTube video NASA's Mega Hubble - The Roman Space Telescope illustrates the shape of the telescope's field of view and the outline has a smile or frown shape. For whatever reason it ...
1
vote
1answer
55 views

Why do space telescopes have GRISMS? Why a grating AND a prism for cross-dispersion in slitless spectroscopy?

https://hst-docs.stsci.edu/wfc3ihb lists the page 8.2 Slitless Spectroscopy with the UVIS G280 Grism which contains details of one of the GRISMs of the Hubble Space Telescope (GRISM = Grating + Prism)....
1
vote
0answers
94 views

Why is the Nancy Grace Roman Space Telescope (WFIRST) coronagraph considered "(beyond-)state-of-the-art"?

After about 01:30 in the NASA video NASA's Nancy Grace Roman Space Telescope: Broadening Our Cosmic Horizons the narrator says: To deepen its study of exoplanets ...