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Interstellar Tunnels Discovered Connecting Our Solar System to Distant Stars
18 Aug
Summary
- Scientists find two hot plasma channels stretching towards Centaurus and Canis Major
- Tunnels part of a larger network carved by supernova explosions 10-20 million years ago
- Sun recently entered the 'Local Hot Bubble' region by chance

In a remarkable discovery, scientists have uncovered a vast network of 'interstellar tunnels' that connect our solar system to distant regions of space. Researchers at the Max Planck Institute, using data from the eROSITA X-ray telescope, have identified two distinct channels of hot, low-density plasma stretching out towards the constellations Centaurus and Canis Major.
These tunnels are believed to be part of a larger branching system that links various star-forming regions across the Milky Way. The formation of this network is attributed to the explosive deaths of massive stars in the form of supernovae, which occurred between 10 and 20 million years ago. The powerful shockwaves from these cosmic blasts carved out hot, low-density cavities in the surrounding interstellar medium, creating the conditions for new stars to form.
Interestingly, the sun appears to have only recently entered this 'Local Hot Bubble' region by chance, a relatively short time compared to the star's 4.6 billion-year lifespan. The researchers say this is a purely coincidental occurrence, with the sun continuously moving through the Milky Way.
The discovery of these interstellar tunnels provides a fascinating glimpse into the dynamic and interconnected nature of our galaxy, where the explosive birth and death of stars shape the very structure of the cosmos.