I am a researcher interested in using GALEX data. Please navigate to the 'Data Releases' page and identify the primary types of data products available for download. Specifically, what are the names of the main data releases mentioned?
Navigate to 'galex.caltech.edu'. Click on the 'Researcher Resources' link (ID 45). Click on the 'Data Releases' link (ID 48). Identify and list the main data releases mentioned on the page.
The agent successfully navigates to the 'Data Releases' page. The agent identifies and lists 'GR1' (GALEX Release 1), 'GR2' (GALEX Release 2), 'GR3' (GALEX Release 3), 'GR4/5' (GALEX Release 4/5), 'GR6/7' (GALEX Release 6/7) as the main data releases.