The sun is still a burning mystery. That may be about to change.

Marble Card #51899 with a unique link to https://www.nationalgeographic.com/science/2020/02/sun-still-burning-mystery-may-be-about-to-change-solar-orbiter-launch/
This URL can only exist on one card. Creating Marble Cards is a way to bookmark and show appreciation for web content. It’s an Internet indexing game where you can create, battle and trade unique NFT frames of web content. The image in the circle is not part of the Marble Card NFT. It comes from the OpenGraph and is shown as a preview of the linked URL, same as when shared on social media.

The sun is still a burning mystery. That may be about to change.
Updated card details
Marble Card ID #51899
Marbled at Monday 17th of February 2020 04:52:28 AM
Marbled from 0xcfB586d08633fC36953be8083B63a7d96D50265B
Network eth
Collection Nationalgeographic.com
Collection ID #1682
Level 81 81
Generation gen1
Type Basic
Gold
Remarbles 0
Image Source https://cdn.marble.cards/images/cards/57/57887/57887-share.png?version=2