A Christmas tree 80 light-years wide appears in space

As young stars ignite within these clouds, they release intense energy that causes surrounding hydrogen gas to glow red. These glowing regions are known as emission nebulae. Dark dust clouds thread through the area as well, blocking light from stars behind them and creating dramatic shadows. In places where this dust lies close to hot, newly formed stars, it reflects their light instead of absorbing it, producing soft blue regions called reflection nebulae.The Christmas Tree Star ClusterNear the center of NGC 2264 is S Monocerotis, a bright variable star whose brightness changes over time.

This star is surrounded by a noticeable blue glow caused by reflected starlight from nearby dust. Above S Monocerotis, a group of young stars forms a simple triangular pattern. Because of this distinctive shape, the cluster has become widely known as the Christmas Tree star cluster.The Cone Nebula and the Fox Fur NebulaAt the top of this star filled scene sits the Cone Nebula, a tall structure of gas and dust shaped by powerful radiation from nearby young stars.

Beneath it spreads a tangled and glowing cloud called the Fox Fur Nebula, named for its textured, fur like appearance. These features are constantly being reshaped as energetic starlight pushes and sculpts the surrounding material.Immense Size on a Galactic ScaleWhen viewed through a telescope, the entire region stretches about 1.5 degrees from top to bottom, which is roughly the width of three full moons lined up in the sky.

At a distance of 2,700 light years, that apparent size corresponds to a real span of nearly 80 light years. This immense scale highlights just how vast and dynamic this stellar nursery truly is.