A photon that challenges Einstein: According to current physics, it should never have reached Earth
How did a photon survive a journey of more than 2 billion light-years when, according to known physics, it should have been absorbed long before reaching Earth? This is the question at the heart of a new study by Giorgio Galanti (INAF)…
Phys.org Quantum Physics
Publisher
Sep 8, 2026 at 1:40 PM UTC · 1 min read
How did a photon survive a journey of more than 2 billion light-years when, according to known physics, it should have been absorbed long before reaching Earth? This is the question at the heart of a new study by Giorgio Galanti (INAF) and Marco Roncadelli (INFN), accepted for publication in Physical Review Letters.
Sourced by
Originally reported by Phys.org Quantum Physics
NewsLayer coverage based on externally reported material.
The Daily Brief
The onchain economy, before your day starts.
Curated markets, onchain insights, and key headlines — delivered every weekday morning.
Weekdays · Free · ~5 minute read
0
Applause
Was this article helpful?
Article Intelligence
Related Coverage
CryptoBitcoin miner burns through millions in BTC to buy compute, but new coins are not returning to treasury36 minutes ago · 2 min read
QuantumAutomatic Key Exchange: faster, post-quantum secure origin handshakes for 45 billion daily connections (and counting)an hour ago · 16 min read
CryptoBitmine’s Ethereum holdings near 6M as crypto treasury hits $15.7Ban hour ago · 1 min readSponsored
Ad
NewsLayer Premium
Unlock deeper intelligence.
Ad-free reading, exclusive research, and real-time onchain insights.
Go Premium
