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What are comets and asteroids?

Quick Answer

Asteroids are rocky objects that orbit the Sun, mostly in a belt between Mars and Jupiter. Comets are icy objects that can grow a glowing tail when they get close to the Sun and heat up.

Why This Story Works for Bedtime

It’s space wonder with gentle ‘travelers’ imagery—quiet paths around the Sun, soft tails like sky ribbons.

Story at a Glance

RECOMMENDED AGES

8-11 years

READING TIME

2 min

THEMES
spaceplanetsstarswonderlearningcuriosityeasy to understandreassuring
Also available inEspañol

Story Synopsis

Space has more than planets and stars—it also has smaller travelers. This story explains comets and asteroids. Miluna shares that asteroids are mostly rock and metal and often orbit in the asteroid belt. Comets are made of ice, dust, and rock. When a comet comes closer to the Sun, heat can release gas and dust, creating a glowing cloud and a tail that points away from the Sun. The tone stays calm and awe-filled, helping kids picture space as a quiet place with many kinds of objects. Curiosity stories like this make astronomy feel gentle and exciting at once.

Story Excerpt

Have you ever looked up at the night sky and wondered what else is out there besides the Moon and the stars Our solar system is not empty space It has many small objects traveling around the Sun like tiny leftovers from when the planets were forming long ago Two of these kinds of objects are asteroids and comets An asteroid is a rocky body like a space boulder that…

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In One Glance

Asteroids are small rocky bodies orbiting the Sun; many are found in the asteroid belt, though some orbit elsewhere. Comets contain a lot of ice mixed with dust and rock. As a comet approaches the Sun, heat causes ice to vaporize, releasing gas and dust that form a glowing coma and tail. The tail points away from the Sun due to solar wind and radiation pressure. The story presents these objects as peaceful space travelers.

Frequently Asked Questions

It explains the difference between rocky asteroids and icy comets, and why comets can form tails.

Ages 8–11.

Yes—gentle space ‘travelers’ and soft wonder.

No. It avoids scary impact framing.

It builds astronomy knowledge and encourages kids to read to explore big questions calmly.