Datasets

• Stars and Nebulae

  At this point, the core of the star is not at a high enough temperature to fuse carbon, and enters a super red-giant phase and the outer envelope of the star slowly dissipates...

• Make Science Fun with Stars

  Includes five interactive activities for kids. From the Howard Hughes Medical Institute. Includes thousands of cartoons covering almost anything you'd like to know! Originally...

• Fun and Easy Science

  The sound of thunder is produced by rapidly heated air surrounding lightning which expands faster than the speed of sound. When traveling through water, sound moves around four...