Question

Word Bank-you may use words more than once

telescope

glossary

older

second

abundant

gravity

Milky Way

bright

Andromeda

universe

astronomers

galaxy/galaxies

varied

Virgo

elliptical

spiral

spiral galaxy

empty

new

center

black hole

irregular

five

local

Lesson 2 Galaxies:
A galaxy is a huge group of stars held together by blank. Each Galaxy can contain up to 400 billion stars. Scientists believe there are between 100 and (6) 200 billion blank. Galaxies are identified by their shape: blank, blank and blank.
Blank galaxies have a central disc and arms. They are blank and have many young Stars. Blank galaxies are long oval shapes. They have blank stars and are not very bright. They are the most blank Galaxy.
Blank galaxies do not have a define shape. They have blank brightness.
The Earth's sun and its surrounding planets are found within a blank blank. The Galaxy is named the blank blank. Our sun is a star on an arm of the Galaxy. This means our sun is a blank star and still shines brightly. The center of the Milky Way contains an enormous blank. Blank. Our son revolves around the blank of the Milky Way which is moving through the blank. We are in constant motion!
In the universe, the Milky Way is located near other galaxies in the blank group. The Milky Way is the blank the largest galaxy in the local group, which also includes the blank Galaxy and the Magellanic clouds. The local group is part of a galaxy cluster called the blank super cluster. Galaxy seem to be everywhere but much of the universe is blank space. Even through scientists estimate that there are billions and maybe even trillions of galaxies, they only make up blank percent of the universe.

Answer 1

Here is a completed version of the text using the words from the provided word bank:

A galaxy is a huge group of stars held together by **gravity**. Each galaxy can contain up to 400 billion stars. Scientists believe there are between 100 and 200 billion **galaxies**. Galaxies are identified by their shape: **spiral**, **elliptical**, and **irregular**.

**Spiral** galaxies have a central disc and arms. They are **bright** and have many young stars. **Elliptical** galaxies are long oval shapes. They have **older** stars and are not very bright. They are the most **abundant** galaxy. **Irregular** galaxies do not have a defined shape. They have **varied** brightness.

The Earth's sun and its surrounding planets are found within a **spiral galaxy**. The galaxy is named the **Milky Way**. Our sun is a star on an arm of the galaxy. This means our sun is a **new** star and still shines brightly. The center of the Milky Way contains an enormous **black hole**.

Our sun revolves around the **center** of the Milky Way, which is moving through the **universe**. We are in constant motion! In the universe, the Milky Way is located near other galaxies in the **local** group. The Milky Way is the **second** largest galaxy in the local group, which also includes the **Andromeda** Galaxy and the Magellanic Clouds. The local group is part of a galaxy cluster called the **Virgo** supercluster.

Galaxies seem to be everywhere, but much of the universe is **empty** space. Even though scientists estimate that there are billions and maybe even trillions of galaxies, they only make up **five** percent of the universe.