くじら座49番星のデブリ円盤の想像図 (IMAGE) National Institutes of Natural Sciences Caption 星を取り巻く塵円盤があり、そのまわりを大量のガスが取り囲んでいる様子を表現しています。 Credit 国立天文台 Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.