
Stephen Hawking Plans To Send Probes To Alpha Centauri
Astrophysicist and all-around space enthusiast Stephen Hawking plans to send to tiny probes into the neighboring star of Alpha Centauri. How close is it? About 4.37 light-years away. Given that most current spacecraft, including the latest New Horizons, can only fly at 33,000 miles per hour, it would take at least 20,000 years before the ..