Hubble Confirms Largest Comet Nucleus Ever Seen

The video discusses the discovery of the largest icy comet nucleus, which is about 80 miles in diameter and has a mass 100,000 times greater than typical comets. The challenge was to distinguish the solid nucleus from the surrounding dusty coma. Hubble's observations and computer modeling helped estimate the nucleus's size. The comet is moving at 22,000 miles per hour but will remain a safe distance from the sun, beyond Saturn's orbit.

How does the size of the largest icy comet nucleus compare to typical comets?

• It is about 100 times larger.

• It is about 50 times larger.

• It is about 10 times larger.

• It is about 5 times larger.

What is the mass of the largest icy comet nucleus compared to the average comet?

• 10,000 times greater

• 500,000 times greater

• 50,000 times greater

• 100,000 times greater

What method did astronomers use to distinguish the comet's nucleus from its coma?

• They used a telescope with a larger lens.

• They waited for the comet to get closer.

• They created a computer model of the coma.

• They used a different type of telescope.

How did astronomers estimate the size of the comet's nucleus?

• By measuring its temperature

• By analyzing its speed

• By calculating its brightness

• By observing its color

How close will the comet get to the sun?

• Closer than Jupiter

• Closer than Earth

• Closer than Mercury

• Slightly farther out than Saturn