Mountain-sized Alinda asteroid seen from Earth this weekend - when to see 'once in a decade' show

Cătălin Roșioru

A mountain-sized asteroid will be visible from Earth this weekend in a "once in a decade" event. The massive space rock zoomed past Earth earlier this month, but it is not out of view just yet and can be observed from home with basic stargazing binoculars or in a free livestream. Named (887) Alinda, the near-Earth asteroid measures an estimated 2.6 miles (4.2 kilometers) wide and is the size of a mountain. On Wednesday (January 8) the rock made its closest pass at Earth in decades, the last

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