There is a great twitter feed, @AsteroidMisses, that tweets out based off a NASA monitoring dataset. Browsing it provides some perspective on just how many asteroids are whizzing around the Earth all the time.<p><a href="https:&#x2F;&#x2F;twitter.com&#x2F;asteroidmisses" rel="nofollow">https:&#x2F;&#x2F;twitter.com&#x2F;asteroidmisses</a>