HOMELv027 The text implies that the discovery of the new planet was ( ). 2026年4月27日 新惑星の発見が「思いがけない、棚ぼた的な（serendipitous）」ものであったことを問う。 The author criticizes the previous administration for its ( ) of environmental protection. What is the main reason for the project’s postponement mentioned in the passage?
