News tagged with equator

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How the sun gets its spots

Sunspots are huge, dark, irregularly shaped--and yet, temporary--areas of intense magnetism on the sun that expand and contract as they move.

Jan 07, 2011
4.7 / 5 (18) 7 | with audio podcast

How much do binary stars shape planetary nebulae?

Planetary nebulae come in a dazzling array of shapes, from spherical shells of gas, to blobby structures barely containing symmetry at all. Controversy has surrounded the cause for this diversity. Could it ...

Jun 16, 2011
4.5 / 5 (2) 0 | with audio podcast

Unraveling the Matrix

A new way of analyzing grids of numbers known as matrices could improve signal-processing applications and data-compression schemes.

Jul 29, 2010
4.8 / 5 (24) 0 | with audio podcast