NASA spots new signs of lightning on Mars
10 hours ago
- #Space Exploration
- #Lightning
- #Mars
- Scientists have discovered evidence of lightning on Mars, differing from Earth's due to Mars' thin atmosphere and weak magnetic field.
- Two separate studies provide evidence of Martian lightning: one from NASA's MAVEN orbiter detecting a whistler signal, and another from Perseverance rover's microphone capturing crackling sounds during dust storms.
- Lightning on Mars is hypothesized to be more like electrostatic sparks from dust rather than dramatic arcs seen on Earth.
- Confirming Martian lightning is important for understanding potential threats to space technology and its role in sparking chemistry that could contribute to life.
- The MAVEN study found only one candidate whistler out of over 100,000 snapshots, highlighting the rarity and challenge of detecting Martian lightning.
- Future observations are uncertain as NASA has lost contact with MAVEN for nearly three months.
- The Rosalind Franklin rover's lightning detector, originally part of a Russian-European mission, will not reach Mars due to geopolitical conflicts, delaying further research.