Young scholars explore universe, and examine how big it really is and how scientists measure the distances or sizes of things by estimating sizes of different objects and reading and writing numbers in scientific notations.

Second graders examine how their choices affect the environment. They identify different types of pollution and its source. They ask questions to end the lesson.

First graders study, observe, and use a simple machine. They study necessary safety and review posted safety rules related to using a machine and identify strategies for reporting any accidents or injuries.

Learn about a storm errupting in the Teacup Galaxy involving the explosion of a supermassive black hole.

Article reports on the discovery by the Hubble telescope of the most distant galaxy known at this point.

Do you know what a solar eclipse is? Or how about a galaxy? Space Place has the answers to all your questions about space! Site includes information to explore about planets, satellites, moons, and much more. Also on the website are...

Find out how the Galex space telescope is determining the age of galaxies using red-shifted light. View pictures taken by Galex. This resource also has a game which involves determining the ages of objects.

This resource explores the different types of galaxies through text and images.

Article reports on the changes galaxies have experienced that can be observed with the Hubble telescope.

The story of the universe is told in this engaging site by the European Space Agency. The history of European space science is timelined with dates ranging from 1066 to present day. The birth of galaxies, the big bang, and the beginnings...

Explore the universe like you have never seen it. Take part in classifying images of galaxies taken from the Hubble telescope archives. This is a crowdsourced scientific research project.

A website featuring a collection of images from NASA. Collection includes images of planets, comets, nebulae, galaxies, stars, sun, and spacecrafts.

Describes quasars as being classified within the category of an active galaxy. A description of the emergence of high-energy. Definitions of key words are provided.gamma-ray quasars as an important component of the gamma-ray sky.

This site provides vivid images taken in space by the Hubble Telescope. You can view the entire collection or choose an area you enjoy the most. Explore galaxies, the solar system, nebulae and more!

This site from the University of Cambridge allows you to view information on spiral, elliptical, and Milky Way galaxies, as well as galaxy clusters. Provides basic facts about each one.

Students learn about spacecraft in the 20th century. Some topics investigated are Apollo, after Sputnik, and exploring galaxies. The resource consists of historical information, a timeline, and a personal essay by a key innovator.

The Milky Way is the edgewise view of our home galaxy, a disk made up of billions of stars. The Sun resides on one of the spiral arms of the disk, 30,000 light-years from the thick hub of the galaxy. The actual center, with a black hole...

Find out how the Galex space telescope is determining the age of galaxies using red-shifted light. View pictures taken by Galex. This site also has a game which involves determining the ages of objects.

There are galaxies far, far away, but just how big is our own solar system? Scroll through this interactive to quickly observe just how much we know and have learned about our solar system.

This is a fun and useful site to learn about galaxies. Content includes a building model to create your own Milky Way, games for learning the various types of galaxies, and more fun games.

At this site from HubbleSite you can learn all about galaxies and black holes. Click on the movie link and discover how old the universe is or study about what happens when two galaxies collide!

This complete resource will help students to improve their understand of space exploration. Includes images of the universe, galaxies, stars and planets.

A brief overview of the galaxies in space.

This site provides an introduction to galaxies for the younger student, that is divided into 2 levels of understanding. Find out what type of galaxy looks like a giant pinwheel. Audio content included. Good glossary, and a printable...