---
title: "Half-Century Mystery of Venusian Atmospheric Haze Finally Solved"
description: "Scientists solved the mystery of the haze in Venus's atmosphere, proving through a microphysical model that it forms from meteorite dust and sulfuric acid."
date: 2026-10-03T10:56:47.000Z
lang: en
url: https://xab.info/en/posts/half-century-mystery-of-venusian-atmospheric-haze-solved
tags: [venus, space-dust, astronomy, meteors, atmosphere]
publisher: "XAB.info"
---

# Half-Century Mystery of Venusian Atmospheric Haze Finally Solved

![Atmosphere of the planet Venus in outer space](https://xab.info/media/2026/10/03/raskrita-tayna-dimki-v-atmosfere-venery/raskrita-tayna-dimki-v-atmosfere-venery-1.webp)

## 🎯 Key Points

- Venusian atmospheric haze is formed by cosmic dust and sulfuric acid
- Volcanic ash is not the source of the fog particles, contrary to past assumptions
- The research explains the nature of UV light absorption by iron compounds

Scientists have finally unlocked the mystery behind the persistent haze in Venus's atmosphere, which was initially detected by space probes back in the 1970s. For decades, the exact origin of this atmospheric phenomenon remained a puzzle, generating numerous scientific hypotheses and intense academic debates.

### Cosmic Dust as the Source of Fog

As discovered by a research team led by planetary scientist Hiroki Karyu from Tohoku University, the key driver of this haze is the continuous influx of cosmic dust particles from meteors burning up in the Venusian atmosphere. These microscopic particles interact with sulfuric acid, creating a distinct fog and acting as effective condensation nuclei for cloud formation.

### Refuting the Volcanic Hypothesis

Previously, the scientific community widely assumed that the haze formed from massive volcanic ash emissions, given Venus's high volcanic activity. However, detailed mathematical and microphysical modeling demonstrated that neither volcanic activity nor surface dust possesses the chemical properties required to form the observed atmospheric layer.

### Ultraviolet Absorption and Iron Sulfate

The new research also sheds light on another long-standing Venusian enigma—the identity of the agent actively absorbing ultraviolet radiation. Researchers found that iron compounds, specifically iron sulfate detected by early Soviet and American probes, perfectly match the physical properties of the discovered cosmic haze.

## 🔍 Fact-Check Verification

- [Раскрыта полувековая тайна дымки в атмосфере Венеры window-new](https://3dnews.ru/1149401/raskrita-poluvekovaya-tayna-dimki-v-atmosfere-veneri) - Основной источник детального описания исследования Хироки Карю.
- [Метеориты оказались источником загадочной дымки в атмосфере Венеры](https://wtftime.ru/space/169033/meteority-okazalis-istochnikom-zagadochnoj-dymki-v-atmosfere-venery/) - Подтверждение факта роли метеоритной пыли.
- [Космическая пыль может быть источником «дымки» на Венере](https://hi-tech.mail.ru/news/146097-kosmicheskaya-pyl-mozhet-byt-istochnikom-dymki-na-venere/) - Справочные данные об истории изучения атмосферы Венеры.

## ❓ FAQ

### Q: What causes the haze in the atmosphere of Venus?
**A:** The haze forms as a result of cosmic dust particles from burning meteors interacting with sulfuric acid.

### Q: Was the volcanic origin hypothesis confirmed?
**A:** No, researchers proved that volcanic ash and surface dust do not contribute to forming this atmospheric layer.