The Moon Just BLINKED – And You Can Catch It!
The Moon looks calm, right? A big, quiet ball of gray rock. Wrong! Sometimes it flashes, glows red, turns foggy, or hides craters for a few seconds or minutes. These quick changes are called Transient Lunar Phenomena, or TLPs for short.
The name sounds like a science test, but it just means “Moon weirdness that doesn’t last.” People have seen TLPs for over 1,400 years – that’s 2,254 official reports since the year 568 AD! And the coolest part? You don’t need a giant telescope. Just your eyes, a pair of binoculars, or a cheap scope, and you can spot one tonight.
This guide is your TLP treasure map. We’ll explore unexplained history, hotspot craters, four big causes, and step-by-step hunting tips. No boring stuff – just fun facts and real science. Let’s launch! 🚀
Epic Transient Lunar Phenomena Stories
1178: Monks See the Moon EXPLODE Like a Dragon!
It’s June 18, 1178. Five monks in Canterbury, England, are chilling after sunset. They look up at the thin new Moon. Suddenly, the top horn splits in two! A flaming torch shoots out, spraying fire, hot coals, and sparks across the sky!
The monks wrote: “The Moon throbbed like a wounded snake!” It happened over and over for minutes. Was it a volcano? A giant meteor? Scientists now think a huge space rock hit the Moon right in their line of sight – like a cosmic car crash!
This is the oldest TLP ever recorded!
1725: An Italian Sees a Red Laser Across a Crater!
Fast-forward to 1725. Italian astronomer Francesco Bianchini is staring at Plato crater – a big, dark circle on the Moon. Out of nowhere, a red light streak shoots across the floor, like a bar from one side to the other! It follows the crater’s shape perfectly.
Was it lava? Gas? No one knows, but it’s one of the first detailed TLP sketches!
Detail of the crater Plato, mezzotint from Francesco Bianchini, Hesperi et Phosphori, 1728 (Linda Hall Library)
1787: The King’s Astronomer Sees THREE RED VOLCANOES!
Sir William Herschel – the guy who discovered planet Uranus – is using his giant telescope. He spots three glowing red spots on the dark side of the Moon. They’re brighter than a comet he saw a week earlier!
He runs to tell King George III: “The Moon has erupting volcanoes!” At the same time, northern lights (auroras) are dancing over Italy – super rare that far south. Was solar energy making the Moon glow? Scientists still wonder!
1866: A Famous Crater VANISHES – Then Comes Back!
German map-maker J.F. Julius Schmidt knows the Moon like his backyard. He notices Linné crater – a tiny bowl – is gone! Where a crater should be, there’s just a bright white spot.
He checks old drawings: “It was a crater before!” A few years later, Linné is back to normal. Today, we know it’s a young impact crater that looks different in sunlight. But back then? Total mystery!
1958: A Russian Catches a GAS ERUPTION on Camera!
Nikolai Kozyrev is using a 48-inch telescope in Crimea. He’s watching Alphonsus crater. Suddenly, the central peak gets super bright for 30 minutes!
He hooks up a spectrograph – a machine that reads light like a rainbow barcode. It shows C₂ and C₃ gas molecules – proof of a real eruption! While taking the second photo, the peak fades back to normal.
This is the first TLP caught with science tools!
1963: Two Map-Makers Spark a TLP Revolution!
James Greenacre and Edward Barr are making Moon maps at Lowell Observatory in Arizona. They see bright red, orange, and pink streaks around Aristarchus crater and Schröter’s Valley.
Their boss thinks they’re nuts. But they’re super trusted cartographers, so NASA listens. This event kicks off the modern TLP hunting era!
1969: NEIL ARMSTRONG SEES A TLP FROM ORBIT!
During Apollo 11, mission control radios: “Hey, Neil, check Aristarchus – weird lights reported down here!” Neil looks out the window and says: “It’s glowing brighter than the rest – like it has a slight fluorescent shine!”
The first man on the Moon saw a TLP live!
1972: Apollo 17 Catches a Flash Near Grimaldi!
Astronaut Harrison Schmitt is orbiting in the lunar module. He sees a bright flash north of Grimaldi crater. A day later, Ronald Evans sees another flash east of Mare Orientale.
Two TLPs in one mission!
2025: A Meteor SLAMS the Moon – Caught on Video!
October 30, 2025, 8:33 PM UT – A Taurus meteor hits the Moon’s dark side. Japanese astronomers film a 10-second white flash! This proves impacts cause TLPs – and they happen every single night!
TLP Hotspots – Where the Moon Gets Wild!
TLPs don’t happen everywhere. One-third of the best reports are near Aristarchus – the brightest, most cracked-up crater on the Moon! Here’s your TLP hotspot hit list:
| Crater/Spot | Location | What You’ll See | Why It’s Active |
|---|---|---|---|
| Aristarchus | Northwest | Red glows, flashes | Full of cracks – gas leaks out! |
| Plato | North | Misty floor, dark patches | Flat “sea” with hidden caves |
| Alphonsus | South center | Gas clouds, brightenings | 1958 eruption site! |
| Tycho | South | White flashes | Young crater – fresh hits |
| Kepler | West | Violet glimmers | Radon gas detected! |
| Grimaldi | West edge | Flashes | Dark sea – impact magnet |
| Schröter’s Valley | Near Aristarchus | Red streaks | Lava tube collapse? |
Pro Tip: Hunt at the terminator – the line between light and dark. Shadows make changes pop out like 3D!
What Causes Transient Lunar Phenomena?
| Cause | How It Works | Real Proof | Fun Fact |
|---|---|---|---|
| 1. Meteor Impacts | Space rocks hit at 30,000 mph → BOOM! Flash + tiny crater | 1,000+ videos since 2005! 193 flashes in 2025! | The Moon gets hit by a car-sized rock every few months! |
| 2. Outgassing | Trapped gas (radon, argon) burps out → red or white clouds | Lunar Prospector sniffed radon near Aristarchus in 1998! | The Moon is shrinking – cracks leak gas! |
| 3. Electrostatic Dust | Sunlight charges dust → it levitates and glows | Lab tests make glowing dust clouds! | Dust floats at sunrise/sunset! |
| 4. Earth’s Air Tricks | Windy air blurs your view → fake changes | Most single-witness TLPs = this! | 90% of old reports can’t be repeated! |
Winner? Impacts are 100% real. Outgassing? Very likely – the Moon is still cooling and cracking!
Be a Transient Lunar Phenomena Hunter! Your 7-Step Mission
Your Gear (Cheap or Free!)
- Eyes (best tool!)
- Binoculars ($20)
- Phone + tripod
- Free app: Stellarium (shows Moon map)
- Notebook + pencil
Step-by-Step Hunt Plan
- Pick the Right Night → First or Last Quarter Moon (half-lit).
- Go Outside at Dusk → Terminator is sharp!
- Find Aristarchus → Northwest, super bright crater. Use Stellarium!
- Stare for 10–15 Minutes → Blink = change!
- Sketch or Snap! → Note: time, color, size, location.
- Ask a Friend → Did they see it too? (Rules out eye tricks!)
- REPORT IT! → Email ALPO (lunar@alpo-astronomy.org) or use MoonBlink online tool.
You might discover a new TLP!
Part 5: 10 Fun TLP Facts to Wow Your Friends!
- The Moon gets hit by a baseball-sized rock every day!
- Radon gas = Moon farts that glow red! 😂
- Apollo 17 saw two TLPs in one mission!
- Cameras catch 5–10 TLP flashes every night!
- Aristarchus is so bright, it’s called “the Moon’s lighthouse”!
- Linné crater “vanished” for years – then came back!
- Kozyrev’s 1958 eruption was the first with proof!
- Greenacre’s 1963 report started modern TLP science!
- NELIOTA (Greece) auto-catches flashes with AI!
- Artemis astronauts will hunt TLPs in 2026!
The Future of Transient Lunar Phenomena Hunting
2026: NASA’s Artemis III lands humans near the South Pole – but TLP cameras will watch Aristarchus 24/7! China’s Chang’e-7 will sniff for gas at TLP sites. Private moon landers (like ispace) will film impacts live! One day, you’ll watch a TLP on TikTok – in real time!
Your Transient Lunar Phenomena Cheat Sheet (Memorize This!)
- TLPs = short Moon changes (flashes, glows, mists).
- Best spot = Aristarchus at the terminator.
- Top causes = impacts + outgassing.
- Hunt with eyes + sketch + report!
- You’re part of 1,400 years of Moon mystery!
Now go outside. Look up. The Moon is waiting to surprise you.
Sources: NASA, ALPO, BAA, Wikipedia (TLP page), NELIOTA 2025 reports. Updated: November 1, 2025 🌙✨