No, the Sun will not blow up tomorrow. In fact, it won't blow up for billions of years.

Here's why:

* The Sun is a star. Stars are powered by nuclear fusion, where hydrogen atoms are combined to form helium, releasing enormous amounts of energy.

* The Sun's life cycle is very long. It has been burning for about 4.5 billion years, and it is expected to continue for another 5 billion years or so.

* The Sun will eventually become a red giant. When the Sun runs out of hydrogen fuel, it will expand and become a red giant, eventually engulfing the inner planets. However, this process will take billions of years.

So, rest assured, the Sun is not going to blow up tomorrow.