shahkar jalal

Joined October 2025

171 stories

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Is Dark Matter Proof of New Physics?
What Is Dark Matter? Dark matter is a form of matter that does not interact with electromagnetic radiation. This means it cannot be seen with telescopes that detect light, radio waves, X-rays, or infrared radiation.
By shahkar jalal13 days ago in Education
Could Dark Matter Interact With Itself?
What Is Dark Matter? Dark matter is a form of matter that does not emit, absorb, or reflect light. Because it is invisible, astronomers cannot observe it directly through telescopes. Its presence is inferred from its gravitational influence on visible matter.
By shahkar jalal13 days ago in Education
Will Dark Energy Tear the Universe Apart? Exploring the Fate of the Cosmos
The Discovery of Accelerating Expansion In 1998, astronomers studying distant supernovae made a shocking discovery: • The universe is expanding faster over time
By shahkar jalal13 days ago in Education
Is Dark Matter Connected to Black Holes? Exploring One of the Universe’s Deepest Mysteries
Understanding the Two Mysteries What Is Dark Matter? Dark matter is an invisible form of matter that: • Does not emit or absorb light
By shahkar jalal13 days ago in Education
Is Dark Energy a Property of Empty Space? Exploring the Vacuum of the Universe
What Do We Mean by “Empty Space”? At first glance, empty space seems simple — a region containing nothing. But modern physics tells a very different story.
By shahkar jalal14 days ago in Education
What Is Dark Energy and Why Is It Accelerating the Universe?
This discovery shocked scientists in the late 1990s and overturned everything we thought we knew about cosmic evolution. Gravity, which should slow expansion, appeared to be losing the battle. Some mysterious force was pushing the universe apart.
By shahkar jalal14 days ago in Education
How Does Dark Matter Shape Galaxies? The Invisible Architect of the Cosmos
What Is Dark Matter? Dark matter is a form of matter that: • Does not emit or absorb light • Does not interact electromagnetically
By shahkar jalal14 days ago in Education
Why Can’t We See Dark Matter? The Invisible Substance Shaping the Universe
What Does It Mean to “See” Something? To understand why dark matter is invisible, we must first understand what “seeing” actually means.
By shahkar jalal14 days ago in Education
What Is Dark Matter Made Of? Exploring the Greatest Mystery in Modern Physics
What Is Dark Matter? Dark matter is a form of matter that: • Has gravitational effects • Does not emit or absorb light
By shahkar jalal14 days ago in Education
Is the Universe Fundamentally Random? Exploring Chance, Determinism, and the Nature of Reality
The Classical Universe: Perfect Determinism For centuries, scientists believed the universe was deterministic. According to classical physics:
By shahkar jalal16 days ago in Education
Can Information Travel Faster Than Light? What Physics Really Says
Why the Speed of Light Matters Einstein’s special relativity states: • The speed of light is constant for all observers
By shahkar jalal16 days ago in Education
What Is Quantum Tunneling? How Particles Pass Through the Impossible
The Classical View: Barriers Cannot Be Crossed In classical physics: • A ball cannot roll over a hill higher than its energy
By shahkar jalal16 days ago in Education