{"version":"1.0","type":"rich","title":"Stacked Area Chart showing the number of launches per year","description":"A stacked area chart displays the number of space missions launched per year from 1950 to 2020, with each company represented by a distinct color and mission counts shown via tooltips on hover. Built with the Vega-Lite API, the visualization encodes the launch year on the x-axis and the aggregated mission count on the y-axis, using D3's CSV parser to load data from a GitHub-hosted CSV file. The chart is rendered using Vega-Lite's markArea with tooltip handling integrated through the vega-tooltip library's Handler.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/565903655f0e4171af91a310afc13e55?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}