Astronomers discover why solar system may be croissant-shaped

Comet Leonard, officially named C2021A1, is an ultra-fast comet traveling at 71 km/s. It took 40,000 years to reach its closest point to the sun on January 3rd, a year after its discovery. The comet will return to deep space, coming back in about 80,000 years. Composed mainly of ice and dust, its tail becomes more visible as it nears the sun, though binoculars are needed for viewing.

What is the speed of Comet Leonard as it travels through space?

• 100 kilometers per second

• 50 kilometers per second

• 120 kilometers per second

• 71 kilometers per second

How long will it take for Comet Leonard to return after its journey into deep space?

• 80,000 years

• 10,000 years

• 40,000 years

• 100,000 years

What is the official name of Comet Leonard?

• C2021A1

• C2021B2

• C2021C3

• C2021D4

What are comets primarily made of?

• Sand and gravel

• Gas and liquid

• Ice and dust

• Rock and metal

What tool is recommended to view Comet Leonard's tail?

• Binoculars

• Microscope

• Telescope

• Camera