Here's why:
* The Earth is not a bomb: There's no internal mechanism or force that could cause the Earth to explode like a bomb.
* Gravity keeps everything together: The Earth's own gravity holds it together, preventing its material from flying apart.
* The Sun is not going to swallow the Earth: While the Sun will eventually expand into a red giant, that's billions of years away, and even then, it's more likely to engulf the inner planets than to "explode."
* Nuclear war is not an existential threat: While devastating, the scale of any nuclear war wouldn't be enough to destroy the entire planet.
What could potentially cause the Earth to become uninhabitable:
* Climate Change: Unmitigated climate change could lead to extreme weather events, rising sea levels, and disruptions to ecosystems, making parts of the Earth uninhabitable.
* Asteroid Impact: A large enough asteroid impact could cause significant damage and extinction events.
* Solar flares: Extremely powerful solar flares could disrupt our power grids and communications, but wouldn't destroy the planet.
It's important to separate science fiction from reality and rely on scientific evidence to understand the threats to our planet. While there are challenges facing us, blowing up is not one of them.