Could be a dead comet or asteroid, but they’re not sure
NASA recently announced the discovery of two separate large objects that will come “close” to Earth in space terms. However, they will still be millions of miles from Earth at their closest approach. One they know is a comet which is currently flying by the Earth this week. The other, NASA says that the object is between 500 and 1000 meters across and is dark like a comet but is missing the characteristic dust/gas tail. It
The unidentified space object will pass within 32 million miles from Earth on February 25, 2017. To put that in perspective, the planet Venus is a mere 25 million miles from Earth. Needless to say, this object won’t be a threat to our planet anytime soon.