Predictions for the earthly plunge of a wayward Soviet era Venus space probe are narrowing as the old spacecraft is expected to crash back to Earth Friday night.

Debris from the 50 year-old probe Cosmos 482 crash-landed into the Indian Ocean over the weekend.

A Soviet-era spacecraft has plunged to Earth, more than a half-century after its failed launch to Venus. The half-ton spacecraft fell out of orbit on Saturday.