Imagem da semana: Rumo à Lua

15 de junho de 2010
By LonelySpooky

Rumo à Lua

Esta imagem, de 1967, mostra o está­gio S-II do foguete Sat­urno V enquanto estava sendo posi­cionado no local de testes A-2 na Mis­sis­sippi Test Facil­ity (agora Cen­tro Espa­cial Sten­nis). Este era o segundo está­gio do foguete lunar de 111 met­ros impul­sion­ado por cinco motores J-2

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One Response to Imagem da semana: Rumo à Lua

  1. LonelySpooky on 15 de junho de 2010 at 15:19

    Olha o tamanho dessa coisa!

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NASA

A Chameleon Sky

 
The sands of time are running out for the central star of this the Hourglass Nebula. With its nuclear fuel exhausted, this brief, spectacular, closing phase of a sun-like star's life occurs as its outer layers are ejected and its core becomes a cooling, fading white dwarf. In 1995, astronomers used the Hubble Space Telescope to make a series of images of planetary nebulae, including the one above. Here, delicate rings of colorful glowing gas (nitrogen-red, hydrogen-green, and oxygen-blue) outline the tenuous walls of the 'hourglass.' The unprecedented sharpness of Hubble's images revealed surprising details of the nebula ejection process and may resolve the outstanding mystery of the variety of complex shapes and symmetries of planetary nebulae. Image Credit: NASA, WFPC2, HST, R. Sahai and J. Trauger (JPL)
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