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  • What causes a falling star? - NASA
    StarChild Question of the Month for August 1999 Question: What causes a "falling star"? Answer: A "falling star" or a "shooting star" has nothing at all to do with a star! These amazing streaks of light you can sometimes see in the night sky are caused by tiny bits of dust and rock called meteoroids falling into the Earth's atmosphere and burning up The short-lived trail of light the burning
  • StarChild: Meteoroids - NASA
    The chance of seeing a meteor with the unaided eye increases after midnight People often refer to meteors as "falling" or "shooting" stars The brightest of the meteors are called fireballs Sonic booms often follow the appearance of a fireball just as thunder often follows lightning At certain times of the year, more meteors than normal can
  • What causes fireballs in the sky? - NASA
    Fireballs were much in the news over the past month due to a big one that was seen in the Illinois, Michigan, and Indiana areas around local midnight on March 26 - 27, 2003 The fireball streaked across the sky and exploded in a bright flash But just what causes the fireball, and how often do they occur?
  • Star Art - NASA
    Star Art - An Introduction to Myths of Different Cultures Star watching has occupied humans from the earliest times Our ancestors studied the night sky and saw shapes and patterns among the stars They often made up stories to explain what they saw The same star constellation was seen very differently by people from different countries, or even different parts of the same country When
  • StarChild: Comets - NASA
    Scientists believe that comets are made up of material left over from when the Sun and the planets were formed They think that about 100,000 million comets orbit the Sun Some comets orbit the Sun like planets Their orbits take them very close to and very far away from the Sun
  • Why do stars twinkle? - NASA
    To our eyes, this makes the star seem to twinkle You will notice that stars closer to the horizon will appear to twinkle more than other stars This is because there is a lot more atmosphere between you and a star near the horizon than between you and a star higher in the sky Go out some night soon and have a look!
  • StarChild: The Sun - NASA
    The Sun is our closest star It is a member of the Milky Way galaxy The Sun is a yellow dwarf star, which means it is a medium size star It is believed to be over 4 billion years old The Sun spins slowly on its axis as it revolves around the galaxy The center, or core, of the Sun is very hot A process called "nuclear fusion" takes place there Nuclear fusion produces a lot of energy Some
  • How can I buy a star? - NASA
    The International Astronomical Union is the only OFFICIAL agency which names stars and other celestial objects There are standardized rules for how objects get their names None of these rules involve the exchange of cash!
  • StarChild: Repuesta a las preguntas sobre Estrellas
    Y la respuesta es 4) Las estrellas de 1 5 a 4 veces más grandes que nuestro Sol se transformarán en estrellas de neutrones al final de sus vidas
  • StarChild: ¿Lo sabías. . . ? (Estrellas) - NASA
    El sitio StarChild es una iniciativa al servicio de la comunidad de High Energy Astrophysics Science Archive Research Center (HEASARC), Dr Alan Smale (Director), dentro de Astrophysics Science Division (ASD) en NASA GSFC StarChild, Autores: The StarChild Team StarChild, Gráfica Música: Agradecimientos Líder del Proyeto StarChild: Dr Laura A Whitlock Responsable de la Página Web: J D





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