Here is a concise summary of the text:
**Title:** 10 Strangest Things Found on Google Earth
**Summary:**
This article showcases 10 unusual features discovered on Google Earth:
1. **Ancient Wheels** (Jordan): 8,500-year-old geoglyphs, potentially aligned with the winter solstice.
2. **Pentagram** (Kazakhstan): A 300m-diameter, five-pointed star, likely a park design.
3. **Gobi Desert Patterns** (China): Mysterious structures and etchings, possibly a secret military base or weather monitoring array.
4. **Undiscovered Pyramid?** (Egypt): An unconfirmed, potential pyramid, one of dozens of anomalies detected using Google Earth.
5. **Australian Triangle** (Australia): A triangular shape with bright lights, likely an antenna for a wind farm.
6. **Nike Missile Site** (Hawaii, USA): Abandoned missile launch sites from the 1950s-70s, now preserved in a georeferenced database.
7. **World's Largest Word** (Persian Gulf): A billionaire's name, "Hamad", etched into a sandy island, almost 1 km high and 3 km long.
8. **Plane Cemetery** (Arizona, USA): A 2,600-acre repository for retired military aircraft, visible on Google Earth.
9. **Great Prismatic Spring** (Yellowstone, USA): A colorful hot spring, showcasing microorganisms' effects on temperature and light refraction.
10. **"Sea Monsters"** (Various): Debunked images of giant creatures, often explained as natural formations or hoaxes, frequently appearing on Google Earth.
Here are the key facts extracted from the text, numbered and in short sentences, excluding opinions:
**1. Ancient Wheels (Jordan)**
* Location: Rocky oasis of Jordan
* Estimated age: 8,500 years old
* Alignment: With sunrise on winter solstice
* Design variations: Different numbers of spokes and shapes
**2. Pentagram (Kazakhstan)**
* Location: Isolated corner of Kazakhstan, southern shore of Upper Reservoir
* Size: Approximately 300 meters in diameter
* Composition: Engraved on the earth's surface with a circle and five-pointed star
* Actual purpose: Outline of a park with paths and trees
**3. Gobi Desert Patterns (China)**
* Discovery: Revealed by Google images
* Expert speculation: Possibly a secret military base or array of antennas for weather monitoring
**4. Undiscovered Pyramid (Egypt)**
* Detection method: Google images
* Timeframe: Dozens of anomalies detected in the last 5 years
* Limitations: Economic and security situations limit excavations
**5. Australian Triangle**
* Location: Unpopulated region of Australia
* Discovery: 2007
* Alternative explanations: Possibly an antenna associated with a wind farm
**6. Nike Missile Site (Hawaii, USA)**
* Operational period: 1954-1970s
* Missile type: Supersonic surface-to-air projectile (some with nuclear warheads)
* Preservation effort: Georeferenced database by Davey Tewksbury
**7. "Hamad" Island (Persian Gulf)**
* Owner: Billionaire Sheikh Hamad bin Hamdan Al Nahyan
* Island features: Name "Hamad" etched on the surface, almost 1 km high and 3 km long
**8. Plane Cemetery (Arizona, USA)**
* Location: Davis-Monthan Air Force Base, Tucson
* Size: 2,600-acre site
* Contents: Military aircraft from World War II onwards
**9. Great Prismatic Spring (USA)**
* Location: Yellowstone National Park
* First recorded: Haydn's Geological Survey, 1871
* Color cause: Microorganisms in the hot springs, varying temperatures, and refraction of sunlight