Now I have all the evidence. Let me compile my final answer. **VERDICT: TRUE** Every factual claim in the TikTok post is supported by NASA primary sources. Here is the full evidence: **1. Date, closest approach, and journey:** - NASA confirms New Horizons flew past Pluto on **July 14, 2015**, coming within **about 7,750–7,800 miles** (12,500 km). The "7,800 miles" figure is used directly by NASA's Science@NASA page. The spacecraft launched Jan 19, 2006 — a journey of roughly 9.5 years, consistent with a "9-year voyage." - **Source:** [NASA — Deep Space Network Tracks New Horizons Historic Pluto Flyby](https://www.nasa.gov/image-article/july-2015-deep-space-network-tracks-new-horizons-historic-pluto-flyby/) (states "within 7750 miles") **2. Water-ice mountains rising over 11,000 feet:** - NASA: *"New close-up images of a region near Pluto's equator reveal a giant surprise: a range of youthful mountains rising as high as **11,000 feet (3,500 meters)** above the surface… The mountains are probably composed of Pluto's **water-ice 'bedrock'**."* - **Source:** [NASA — The Icy Mountains of Pluto](https://www.nasa.gov/image-article/icy-mountains-of-pluto/) **3. Nitrogen-methane ice plain shaped like a perfect heart (Sputnik Planitia):** - NASA: *"In the center left of Pluto's vast **heart-shaped feature** – informally named 'Tombaugh Regio' – lies a vast, craterless plain… This frozen region… has been informally named **Sputnik Planum**… Pluto would have convection occurring within a surface layer of **frozen carbon monoxide, methane and nitrogen**."* - **Source:** [NASA — New Horizons Discovers Frozen Plains in the Heart of Pluto's 'Heart'](https://www.nasa.gov/news-release/nasas-new-horizons-discovers-frozen-plains-in-the-heart-of-plutos-heart/) **4. Delicate blue haze in the atmosphere:** - NASA: *"The first color images of Pluto's atmospheric hazes… reveal that the hazes are **blue**… The high-altitude haze is thought to be similar in nature to that seen at Saturn's moon Titan."* - **Source:** [NASA — New Horizons Finds Blue Skies and Water Ice on Pluto](https://www.nasa.gov/missions/new-horizons-finds-blue-skies-and-water-ice-on-pluto/) **5. "Vibrant, geologically alive" vs. the expected "cold, dead, cratered world":** - NASA's Geology team leader said: *"The discovery of vast, craterless, very young plains on Pluto exceeds all pre-flyby expectations."* And the mountains "formed no more than 100 million years ago… and may still be **geologically active**." - **Source:** Same two NASA pages above — the Icy Mountains and Frozen Plains releases. **Bottom line:** The claim accurately describes the flyby date, closest-approach distance, the water-ice mountain heights, the heart-shaped nitrogen-methane ice plain (Sputnik Planitia), the blue atmospheric haze, and the paradigm shift from expecting a dead world to discovering a geologically active one. All claims match NASA's own documentation.