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During which year is Earth at the highest risk of an asteroid impact?
The chart identifies 2017 as the year Earth faces the highest risk of an asteroid impact, plotting each object’s possible impact count against its period start date as a scatterplot of circles. It uses vega-lite-api to define the marks and encodings, with d3.csv loading NASA asteroid impact data from a GitHub gist. The visualization is rendered via vega and vega-lite, with a dark-themed config for axis styling and custom tooltips provided by vega-tooltip.
AI-generated descriptionA visualization constructed using the vega-lite-api.
The data shown here comes from NASA-Asteroid-Impacts.
This is a faily easy to understand chart which answers the question "During which year is Earth at the highest risk of an asteroid impact?", we can see clearly it's 2017.