What is a light-year and how is it used?? - NASA
Answer: A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 …
StarChild: Glossary - NASA
A ACCREDITED An educational institution which has been recognized as maintaining standards that qualify graduates for admission to higher, or more specialized, institutions or professional practice.
StarChild: Galaxies - NASA
A galaxy is a cluster of stars, dust, and gas which is held together by gravity. Galaxies are scattered throughout the universe and they vary greatly in size. A galaxy may be alone or it may be in a large …
StarChild: The Milky Way - NASA
Our Sun is a star in the Milky Way Galaxy. If you were looking down on the Milky Way, it would look like a large pinwheel rotating in space. Our Galaxy is a spiral galaxy that formed approximately 14 billion …
Just How Big is this Place - NASA
This activity can be used in conjunction with the StarChild Universe Level 2 information OBJECTIVES: Examine ways of measuring distance Make inferences regarding space travel Identify the distance …
StarChild: The Solar System - NASA
The words " solar system " refer to the Sun and all of the objects that travel around it. These objects include planets, natural satellites such as the Moon, the asteroid belt, comets, and meteoroids. Our …
StarChild: Galaxies - NASA
A galaxy contains stars, gas, and dust which are held together as a group by gravity. There may be millions, or even billions, of stars in one galaxy. There are billions of galaxies in the universe. …
NASA
VIDEO DESCRIPTION: Video footage of fireball streaking across the sky, breaking up into seperate smaller fireballs. Animation of path of fireball over a map of the Eastern United States. Fireball tracks …
starchild.gsfc.nasa.gov
What words of advice would you give young people today who think they may be interested in becoming professional scientists? I'd say go for it. I think it's brilliant being a scientist, it's great fun. It's superb …
StarChild: A Learning Center for Young Astronomers
children. Particularly my science teachers because I went into science. But not just science teachers.