# NASA Is Considering Nuking An Asteroid To Spare the Moon

Source: https://www.youtube.com/watch?v=7kixuqCgXNY
Recap page: https://rapidrecap.app/video/7kixuqCgXNY
Generated: 2025-10-16T15:33:45.912+00:00

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## Quick Overview

NASA is considering two main options to mitigate the risk of asteroid 2024 YR4 hitting the Moon in 2032: deflection using a kinetic impactor or detonation using a nuclear bomb, though the latter carries risks of creating harmful debris, while the former, though requiring more time, is considered the safer method for course correction.

**Key Points:**
- Asteroid 2024 YR4 has a 1-in-83 (or 1.2%) chance of hitting the Moon in 2032, though later calculations reduced this to 1-in-530 (or 0.19%).
- The asteroid is estimated to be about 60 meters across, roughly the size of the 2013 Chelyabinsk meteor, which exploded 20 km above ground.
- NASA is considering two main mitigation options: deflection via kinetic impactor or detonation via a nuclear bomb.
- Deflection involves hitting the asteroid with a projectile early on to slightly change its trajectory, making it miss the target.
- Nuclear detonation involves exploding a bomb near the asteroid, which would likely break it into smaller, less dangerous fragments, but carries risks of creating radioactive debris.
- The deflection method is preferred because it avoids creating radioactive material, even though it requires more lead time (more than one month before impact).
- The political climate in the US currently favors the deflection option due to the bureaucracy and potential political backlash associated with using nuclear weapons in space.

![Screenshot at 00:07: The host questioning the seriousness of the asteroid threat, symbolized by a skeptical emoji next to a radiation warning sign.](https://ss.rapidrecap.app/screens/7kixuqCgXNY/00-00-07.png)

**Context:** This video discusses the threat posed by near-Earth asteroid 2024 YR4, which has a non-zero, albeit low, probability of impacting the Moon in 2032, prompting space agencies, particularly NASA, to evaluate potential deflection or mitigation strategies, referencing historical events like the 2013 Chelyabinsk airburst as a scale comparison for potential atmospheric effects.

## Detailed Analysis

The video analyzes the potential impact of asteroid 2024 YR4 on the Moon in 2032, noting initial high probability estimates (like 2.3% from The Guardian, or 1-in-83 from Space.com) which were later reduced by new data from the James Webb Space Telescope to probabilities as low as 0.1% or 0.001% for impact, and 4% for hitting the Moon. The host explains that while the asteroid, estimated at 60 meters wide, would not cause an extinction-level event, it could still cause serious regional damage if it hit Earth, similar to the 1908 Tunguska event. NASA has considered two primary mitigation options: deflection, which involves applying a small push early on, or detonation, which involves using a nuclear bomb to break the asteroid into smaller, potentially harmless fragments. The nuclear option is discouraged due to the risk of creating radioactive debris. The video highlights that deflection is the preferred method, requiring sufficient lead time (more than a month before impact) to execute successfully. The host concludes by pointing out that political bureaucracy often slows down mission planning, contrasting with the urgency of the threat, and promotes a news aggregation service called Ground News.

### Asteroid Threat Assessment

- Asteroid 2024 YR4 poses a threat to the Moon in 2032
- Initial impact probability was high (e.g., 2.3% risk of collision mentioned in news headlines) but later reduced significantly by new data
- The asteroid is estimated to be about 60 meters across, comparable to the 2013 Chelyabinsk object.

### Mitigation Options Analysis

- Option 1 is deflection via a kinetic impactor, pushing the asteroid off course with a small, early push
- Option 2 is nuclear detonation, which breaks the rock into fragments but creates radioactive X-rays
- Deflection is favored as it avoids creating harmful debris.

### Comparison of Yields

- Detonation of a nuclear bomb would yield energy equivalent to about 100 kilotons (kt) for a 12-meter object, or 1,000 kt for an 85-meter object, far less than the 15-megaton Hiroshima bomb.

### Timeline and Practicality

- Mitigation operations require significant lead time (e.g., more than one month before impact) for deflection to be effective, raising concerns about bureaucratic delays in mission planning.

### Ground News Promotion

- The host promotes the Ground News platform, which aggregates news from various sources and provides bias and factuality checks, offering a 40% discount on the Vantage Plan.

![Screenshot at 00:04: News headline showing the increased, but not alarming, risk of asteroid impact in 2032.](https://ss.rapidrecap.app/screens/7kixuqCgXNY/00-00-04.png)
![Screenshot at 00:19: Ars Technica headline stating a 1.9% chance of hitting Earth in 2032, later updated to lower probabilities.](https://ss.rapidrecap.app/screens/7kixuqCgXNY/00-00-19.png)
![Screenshot at 00:37: Astronomical image showing the asteroid 2024 YR4 being tracked, highlighted by a red circle.](https://ss.rapidrecap.app/screens/7kixuqCgXNY/00-00-37.png)
![Screenshot at 00:46: Map showing the location of the 1908 Tunguska Event in Siberia, used as a reference for atmospheric damage.](https://ss.rapidrecap.app/screens/7kixuqCgXNY/00-00-46.png)
![Screenshot at 01:17: GIF showing the Tunguska event's airburst, which blew out windows over hundreds of square kilometers.](https://ss.rapidrecap.app/screens/7kixuqCgXNY/00-01-17.png)
![Screenshot at 01:22: Image showing shattered glass inside a building, illustrating the effect of a powerful shockwave.](https://ss.rapidrecap.app/screens/7kixuqCgXNY/00-01-22.png)
![Screenshot at 01:37: Visual display showing the initial high impact probability \(1.5%\) rapidly dropping with new data to 0.001%.](https://ss.rapidrecap.app/screens/7kixuqCgXNY/00-01-37.png)
![Screenshot at 01:51: Cartoon Earth sweating and looking worried about the impact scenario on the Moon.](https://ss.rapidrecap.app/screens/7kixuqCgXNY/00-01-51.png)
![Screenshot at 02:36: Visual representation of the 'Deflection' option, depicted by a tennis player hitting a ball.](https://ss.rapidrecap.app/screens/7kixuqCgXNY/00-02-36.png)
![Screenshot at 03:33: Illustration of the asteroid being destroyed by a nuclear blast, scattering fragments and fireballs in space, representing the detonation option's effect on the Moon object.](https://ss.rapidrecap.app/screens/7kixuqCgXNY/00-03-33.png)
