Since professional astronomers do not have the time or the resources to monitor every variable star, astronomy is one of the few sciences where amateurs can make genuine contributions to scientific research.
由于职业天文学家没有足够的时间和资源来监视每一顆变星，因此天文学也便成为了少数几个爱好者就能够对科学研究做出贡献的科学之一。