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Using Hubble's Goddard high-resolution spectrograph, astronomers have for the first time measured the abundance of boron in eight stars that rank among the oldest in our galaxy. Lotfi Ben Jaffel and Alfred Vidal-Madjar of the Institute of Astrophysics of Paris and their colleagues used the Hubble Space Telescope's Goddard high-resolution spectrograph to measure the ratio of deuterium to hydrogen in Jupiter's atmosphere. This summer, Marcy and Butler plan to begin a more sensitive survey of another 300 nearby stars, using the High-Resolution Spectrograph at the W. |
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