View Page source, Right c;ick the page and select view page source. Then CTRL F and type part of the cache description into the search box. This will take you to the body of the page that can be manipulated. In this case what yoou are looking for is Green Text. do a little math and you will have the answer you seek.
Here’s the order of the planets, starting nearest the sun and working outward through the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune — and Planet Nine.
You can validate your puzzle solution with certitude.