CAPE CANAVERAL, Florida – Is it a bird? Is it a bug? Or maybe even a drone?

The explosion that destroyed billionaire Elon Musk's SpaceX rocket on the launch pad last Thursday is suddenly getting fresh attention, as video suggests there may have been foul play involved.

The video posted on YouTube by Steve Svensson appears to display a small, spherical object flying over the rocket as it burst into flames.

"It appears that SpaceX may have been shot by a very fast moving drone, or possibly an explosive in the satellite was triggered?" he wrote in his description.

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"We all know people love to hate Elon Musk."

Watch footage of the SpaceX explosion with the mystery object flying from right to left:

The reusable SpaceX rocket was completely destroyed in the explosion that took place during a pre-launch system check. The blast, which reportedly could be felt for miles, caused no injuries.

The "revolutionary" Amos-6 satellite for Facebook was obliterated in the event, prompting CEO Mark Zuckerburg to express "deep disappointment."

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There are skeptics to the drone theory, asserting it was more likely a bird or an insect flying in front of the camera.

But others say the object was flying too fast – and therefore had to be some sort of machine.

Scott Keller commented on the YouTube video, noting: "One person said it was a bug. Someone else a bird. Hard to accept those two as explanations. Too fast and not close to the camera."

Rantin Wraithy wrote: "That's a big f****** bird. And round too. I didn't think ostriches could fly."

One analyst of the video told WND the mysterious flying object is reminiscent of something that was caught on camera during the attack on the World Trade Center in New York City on Sept. 11, 2001.

"There is a common element from one of the WTC towers and the SpaceX explosion: it is a round, black object traveling at extremely high speed," said Jim McFarland.

Watch the 9/11 footage:

"In the 9/11 footage, it follows the plane and then continues on after the hit; in the SpaceX explosion, it passes by at the exact moment of the explosion at a speed that is so fast, you can't see it without the extreme slow-motion provided by various sites. No bird or plane or normal-speed drone, and no Photoshop in this. The pictures showing this appeared very soon afterward, and are on the original footage."

"I don't agree that this is a 'UFO,' but it is a technology that only black ops can use – way beyond the normal military capabilities," he added.