Comet HLLV

High school (ages 12+)
Space & Astronomy

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/comet-hllv

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is Comet HLLV?Comet HLLV is a space traveler made of icy ices and dust that was formed when the solar system first started. It is a leftover from the early days of our Sun and planets.
2. Why does Comet HLLV have a glowing tail?Its glowing tail forms when the Sun heats the comet, turning its ice into gas and dust. The gas is pushed straight away from the Sun, while the dust trails behind, making the bright tail.

Perihelion: The point in a celestial body's orbit where it is closest to the Sun.
Protoplanetary Disk: A rotating disk of dense gas and dust surrounding a newly formed star, from which planets form.
Interstellar Medium: The matter and radiation that exist in the space between the star systems of a galaxy.