The observed amount of X-rays from Chandra and the non-detection of gamma rays from the Compton data show that the antimatter fraction in the Bullet Cluster is less than three parts per million.
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美
- 不過(guò)，錢(qián)德拉望遠鏡觀(guān)測到的X射線(xiàn)量和康普頓望遠鏡沒(méi)有探測到伽馬射線(xiàn)的數據說(shuō)明，反物質(zhì)在子彈星團中的比例不到百萬(wàn)分之三。
