Levy

Definition

A levy is an astronomical term for a comet or asteroid that has been discovered and officially named. These objects often carry the surname of their discoverer, such as "Comet Levy."

5 Must Know Facts For Your Next Test

1. Comet Levy 1990c, also known as Comet Levy, was discovered by amateur astronomer David H. Levy.
2. The discovery of Comet Levy contributed significantly to the study of cometary orbits and behaviors.
3. Comets like Levy are composed primarily of ice, rock, and dust and originate from the outer regions of the solar system.
4. The tail of a comet like Levy always points away from the Sun due to solar wind and radiation pressure.
5. Studying comets such as Levy helps scientists understand the early solar system's conditions and composition.

Review Questions

• Who discovered Comet Levy?
• What materials primarily compose comets like Levy?
• Why does the tail of a comet always point away from the Sun?

Related terms

Comet: An icy body that releases gas or dust; they typically have highly eccentric orbits around the Sun.

Asteroid: A small rocky body orbiting the Sun, mostly found in the asteroid belt between Mars and Jupiter.

Solar Wind: A stream of charged particles released from the upper atmosphere of the Sun that affects comet tails.