An observatory of the cosmos
A journey through the architecture of the universe
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Cosmic Phenomena
Regions of spacetime where gravity is so intense that nothing — not even light — has enough energy to escape. Formed from the remnants of massive stars, they warp the fabric of space and time in ways that still challenge our deepest physical theories.
Astrophysics — Extreme GravityAmong the densest objects in the universe, neutron stars are the collapsed cores of giant stars. A teaspoon of their material weighs approximately one billion tonnes. Some, called pulsars, emit radiation beams of extraordinary precision.
Stellar Evolution — Dense MatterComprising approximately 27% of the universe, dark matter neither emits, absorbs, nor reflects light. Its existence is inferred through gravitational effects on visible matter, galaxy rotation curves, and the large-scale structure of the cosmos.
Cosmology — The Invisible UniverseOne of the most energetic explosions known, a supernova occurs when a massive star exhausts its fuel. For a brief period, it can outshine an entire galaxy, dispersing heavy elements that seed the formation of subsequent stars, planets, and life itself.
Stellar Physics — NucleosynthesisFirst predicted by Einstein in 1916 and directly detected in 2015, gravitational waves are ripples in spacetime generated by violent cosmic events — the merger of black holes and neutron stars billions of light-years away from Earth.
General Relativity — SpacetimeThe leading theory holds that the early universe underwent exponential expansion, growing by a factor of at least 10²⁶ in a fraction of a second. This inflation smoothed the cosmos and seeded the quantum fluctuations that became today's large-scale structure.
Cosmology — Early UniverseOur Solar System
"The cosmos is within us. We are made of star stuff. We are a way for the universe to know itself." — Carl Sagan
Deep Space
Scale & Distance
When you look up at the night sky, you are not seeing the universe as it is — you are seeing it as it was. Light from our nearest galactic neighbour departed when our ancestors were first crafting stone tools. The night sky is, in every sense, a time machine.
On the largest scales, the universe is composed of vast filaments of dark matter and galaxies interspersed with enormous voids hundreds of millions of light-years across — a structure known as the cosmic web.
The Sun
Yet our Sun is a modest, mid-sequence star. The largest known star, UY Scuti, has a radius roughly 1,700 times that of the Sun — large enough to engulf the orbit of Jupiter.
Stars
Current estimates suggest 200 to 400 billion trillion stars in the observable universe — a number that genuinely defies human comprehension.