How can this small orb contain so much dark matter?

Earth is a small orb, it can only sustain so many of our species.

The visual effect can be described as small glowing, sparkling orbs that roll around a surface.

Insufficient lighting escaped small glowing red orbs on each table.

Also, once a power up is obtained, a small orb appears at the posterior end of the ship.

Why was one visual orb smaller than the other?

I crumpled it into a series of small orbs.

She couldn't help but smile as she turned the small orb over in her hands.

She gazed out the window at the small blue orb of Letau.

"I have a crystal ball," she told him, reaching into her pocket to pull out a small, clear orb.