Hmmmm. I am continually amazed at how little we know about God's universe.
From Fox News:
A mysterious dip in gravity over northern Canada has long been a weighty topic for some scientists.
Satellite data indicates that that a massive ice sheet that once covered eastern North America is at least the partial cause of this gravitational anomaly.
Scientists have known that the area around Hudson Bay has lower gravity than the surrounding areas.
Read the whole strange story here.