今回発見された小天体の想像図 (IMAGE) National Institutes of Natural Sciences Caption 半径約1.3キロメートルで、惑星の材料が生き残ったものと考えられる。 Credit Ko Arimatsu 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.