Asteroid or Alien Spacecraft?

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A peculiar 'X' shaped object which NASA dubbed P/2010 A2 was discovered a few months ago.



Looks like a Klingon bird of prey.

Was it anything to do with this?

Asteroid.  The cruciform image is the result of debris from an impact with another asteroid.

That is all.

Nothing more to see.

Move along.

Or ponder for awhile the ramifications.

Or go read your comic books and leave the pondering to the experts.

Hubble has discovered a mysterious X-shaped object traveling at 11,000mph. NASA says that P/2010-A2 may be a comet, product of the collision between two asteroids. Or a Klingon Bird of Prey. Either way, UCLA investigator David Jewitt is excited:

This is quite different from the smooth dust envelopes of normal comets. The filaments are made of dust and gravel, presumably recently thrown out of the nucleus. Some are swept back by radiation pressure from sunlight to create straight dust streaks. Embedded in the filaments are co-moving blobs of dust that likely originated from tiny unseen parent bodies.

OK, David, we will believe you until Jerry Bruckheimer finish his next movie, in which a "comet" suddenly stops, turns to Earth, and starts firing anti-matter rays against our underpants.

The weirdest thing, however, is not only the prettyful X-shaped debris pattern, but the fact that its 460-foot-wide nucleus is outside the dust halo and separated from the trail. This behavior is something which has never been seen before in a comet or any other solar-system-swooshing object.



Source: Hubble Detects Mysterious Spaceship-Shaped Object Traveling at 11,000MPH

cute.

Instead of finding planet X we find a planetessimal shaped like an "X".

if there were a planet x where they think it oughta be, to see it would require something as powerful as an observatory telescope AND time-exposure, binoculars need not apply.

Ok. But somehow the trail of debris maintains an X shape.