ASTROSCIENCE

Quantum Tunneling- Particles crossing barriers they shouldn't

Nature has a loophole. Hidden in the quantum world is a phenomenon that lets particles bypass barriers altogether. It is called quantum tunneling, and it changes how we understand reality. At the quantum scale, nature quietly defies common sense. Particles behave in ways that challenge our everyday understanding of motion and barriers. Quantum tunneling is one such phenomenon, allowing particles to pass through potential barriers even when classical physics says they should not.

By- Roshani Sharma

Gravitational Waves

Imagine a calm pond and you drop a pebble into it, you would see ripples spreading out from the point where the pebble hits, although nothing material is moving through it. Something similar happens in our universe. When massive objects move or collide in our universe, they create ripples in the space-time fabric themselves. These ripples are known as Gravitational Waves.

For centuries, astronomers have studied our universe by collecting light from distant objects. Telescopes have revealed stars, planets, galaxies, nebulae, and more across unimaginable distances. Yet some of the events in our universe, like the collision of black holes, emit no light at all. This raises an important question: how can we detect and observe something that cannot be seen?

By- Krishiv Gupta

WHY EUROPA’S SUBSURFACE OCEAN IS OUR BEST BET FOR FINDING EXTRATERRESTRIAL LIFE 

The question of whether life exists beyond Earth has shifted from philosophy to science. Over the past few decades, planetary exploration has revealed that water — the most critical ingredient for life as we know it — is not rare in the Solar System. Instead, it exists in unexpected places, often hidden beneath ice or rock. Among these discoveries, Jupiter’s moon Europa has emerged as one of the most promising environments for extraterrestrial life. Europa does not resemble Earth on the surface. It is an icy world, battered by radiation and locked in a cold orbit around a giant planet. Yet beneath this hostile exterior lies a vast subsurface ocean of liquid water. Unlike ancient or seasonal water found on some planets, Europa’s ocean is believed to exist today, maintained by internal heat and geological activity. This combination of liquid water, energy, and chemistry places Europa at the center of astrobiological research. 

By- Sathya Anandharaj 

THE JAMES WEBB SPACE TELESCOPE: ENGINEERING THE MOST POWERFUL SPACE OBSERVATORY EVER LAUNCHED

The study of the universe has always depended on humanity’s ability to observe distant celestial objects with increasing clarity. Telescopes have therefore played a central role in expanding our understanding of galaxies, stars, and planetary systems. Over the past few decades, space-based observatories have significantly improved astronomical observations by operating above Earth’s atmosphere.

One of the most influential observatories in modern astronomy has been the Hubble Space Telescope. Since its launch in 1990, Hubble has provided remarkable images of distant galaxies, nebulae, and star clusters. Its discoveries helped astronomers estimate the age of the universe and study the expansion of cosmic structures.  

By- Sathya Anandharaj