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This artist�s illustration portrays what the gravitationally lensed galaxy SDSS J1110+6459 might look like up close. A sea of young, blue stars is streaked with dark dust lanes and studded with bright pink patches that mark sites of ongoing star formation. The patches� signature glow comes from ionized hydrogen, like we see in the Orion Nebula in our own galaxy.

According to new research, these distant star-formation regions are clumpy and span about 200 to 300 light-years. This contradicts earlier theories suggesting that such regions might be much larger, 3000 light-years or more in size.