CATEGORY TEAM
Ingenious inventions
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Example lineup · Any three different cards from this category count.Formation guideBrowse all 100 eligible cardsChandra X-ray Observatory
Rare cardThe Chandra X-ray Observatory, previously known as the Advanced X-ray Astrophysics Facility, is a Flagship-class space telescope launched aboard the Space Shuttle Columbia during STS-93 by NASA on July 23, 1999.
A place in your collection
Chandra X-ray Observatory is one of 100 discoveries in the artifacts set. Find this card in a free discovery pack, or exchange 5 same-rarity duplicate cards from your collection to craft it. Fusing five Uncommon cards always yields one Rare card, favouring ones you have not collected yet.
Its collectible power is 1190 and its shield is 580. Its health is 3300. These stats are derived from English Wikipedia data using capped game formulas. In battle it favours the Feint stance, like all Artifacts cards. Daily quiz results depend on your answers.
Open a discovery packWish for this cardRead about Chandra X-ray Observatory on WikipediaArticle description adapted from Wikipedia, available under CC BY-SA 4.0; shortened for the card. Revision and contributors are linked below.
Team combinations
Arena formations · 2 in one category: +3% ATK/DEF. Three: +6% all stats. A complete family or story: +10% all stats. Strongest bonus only.
Abacus
Analytical engineBEHIND THE DISCOVERY2026-10-06
A card. A real story.
Read on WikipediaOriginal article · English WikipediaThe Chandra X-ray Observatory, previously known as the Advanced X-ray Astrophysics Facility, is a Flagship-class space telescope launched aboard the Space Shuttle Columbia during STS-93 by NASA on July 23, 1999.
ATTACK · 1,19018,651views · 90 days
DEFENSE · 58052citation entries
HEALTH · 3,3001,398article words
How these stats are calculated
English Wikipedia · 2026-07-09 – 2026-10-06. Views use Wikimedia’s “user” traffic classification, not unique visitors. Quality marker: not rated in this snapshot.
Stats use capped logarithmic scaling. Attack: 800–1,600 from daily views (cap 50,000). Defense: 200–800, weighted 80% citations (cap 300) and 20% quality marker. Health: 2,400–3,600 from prose words (cap 15,000). Values are rounded to tens. Citations indicate documentation volume, not verified truth. No rarity multiplier applies.
Snapshot wiki-2026-10-06-v1-atlas-expedition-01-daily-2026-10-10-atlas-expedition-02 · imported 2026-10-10. Live Wikipedia may have changed. Stats remain fixed until a new edition is released; an active duel keeps its starting stats.
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Image: NASA/CXC/NGST. Public domain. Resized and converted to WebP; cropped in card layouts. Spacecraft illustration or reconstruction; not an in-flight photograph. Original image and attribution.