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Science 27 October 2006:
Vol. 314. no. 5799, p. 561
DOI: 10.1126/science.314.5799.561e
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This Week in Science

Figure 1 Disks that form around young stars provide the sites for later planet formation. In stars that are more massive than the Sun, and correspondingly brighter, it has been argued that flared disks or shells of material may form instead. Lagage et al. (p. 621, published online 28 September; see the Perspective by Telesco) have detected a flared disk around the star HD 97048, whose mass is two and a half times that of the Sun's mass. By modeling the flared disk, they can measure the amount of dust and gas in the disk and suggest it may be a precursor to a debris disk. Planet formation may be difficult in this disk by gravity alone, but some planets may have formed in its inner regions.

CREDIT: LAGAGE ET AL.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)