Our Galaxy and Stars: Meteors and Comets

The video tutorial explains the differences between meteoroids, meteors, and meteorites, detailing their origins and effects when they enter Earth's atmosphere. It also covers comets, describing their composition, behavior, and visibility, with examples like Halley's and Hale-Bopp comets.

What is the term for the light streak produced when a meteoroid burns in Earth's atmosphere?

• Meteorite

• Meteor

• Comet

• Asteroid

Where do most meteoroids originate from?

• Mars

• The Sun

• The Moon

• The Asteroid Belt

What is the cloud of vaporized gases around a comet's head called?

• Orbit

• Nucleus

• Coma

• Tail

What causes the tail of a comet to form?

• Asteroid impact

• Lunar pull

• Solar wind

• Earth's gravity

How often is Halley's comet visible from Earth?

• Every 100 years

• Every 75 to 79 years

• Every 50 years

• Every 25 years