The study of subglacial lakes, or "subgiare," has significant implications for various fields of research:

Let’s make this personal. Our Sun is currently 4.6 billion years old and comfortably on the main sequence. But in about 5 billion years, the Sun will run out of core hydrogen. It will then enter its .

While the study of subglacial lakes has advanced significantly in recent years, there are still many challenges to overcome:

By measuring the tiny brightness fluctuations of a subgiant (like NASA’s TESS mission does), astronomers can determine the star’s mass, radius, and age with incredible precision. Subgiants are like tuning forks for the galaxy. Their oscillations reveal the internal structural changes that happen right before a star becomes a giant. Without studying subgiants, we would have huge gaps in our models of stellar evolution.