An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Overlay of the PACS observations and HIFI observations on a Spitzer IRAC 8 µm image of the Orion Bar. A 4 × 4 raster map of CH+ J=3-2 – 16 overlapping footprints — is shown in green and an example of a footprint is shown in red. The strip of CH+ J=2-1 is shown in blue.