Astronomy Picture of the Day – Orion Nebula in Surrounding Dust

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

Orion Nebula in Surrounding Dust
Image Credit & Copyright: Robert Fields

Explanation: What surrounds a hotbed of star formation? In the case of the Orion Nebula — dust. The entire Orion field, located about 1600 light years away, is inundated with intricate and picturesque filaments of dust. Opaque to visible light, dust is created in the outer atmosphere of massive cool stars and expelled by a strong outer wind of particles. The Trapezium and other forming star clusters are embedded in the nebula. The intricate filaments of dust surrounding M42 and M43 appear gray in the above image, while central glowing gas is highlighted in brown and blue. Over the next few million years much of Orion’s dust will be slowly destroyed by the very stars now being formed, or dispersed into the Galaxy.

Water Witch Lore – Rains

Water Witch Lore – Rains

One of the most obscure and most exciting natural phenomena is colored rains. During the evaporation process, the rain sometimes picks up colored pigments in the dust or dirt near an area or in the atmosphere. The result is rain that leaves a colored stain on the ground or on exposed objects. There have been reports of green, yellow, black red, and brown rain in various places all over the world.

In 2001, almost the entire country of India was visited by colored rain. Scientists theorized that it was due to a meteorite stirring up dust in the atmosphere. A few years earlier, Afghanistan was visited by yellow rain, which was thought to be caused by a heavy concentration of pollen in the air.

The red rains have been referred to as “rains of blood” by many and can be quite alarming if one does not know what they are. The red minerals picked up over clay-laden lands can cause this rain to be bright scarlet, exactly like blood. Cases have been investigated for hundreds of years in the southeastern states of the United States. The most amazing part of the blood-rain cases is that man eyewitnesses claimed that actual tissue matter fell along with th rain. Scientists ay this is an exaggeration due to a hysterical reaction to red rain, but other reports speculate that it may possibly have been bird tissue.

The red rains are thought to be more dangerous than the other colors of rain. It has been said that the red rain burned those it fell upon. As red is also the color of anger, this is not at all surprising. but what is surprising is the sudden appearance of swarms of butterflies directly after a red rain.

In parts of the world that boast of extremely high mountains, red and pink snow has been known to fall. This is commonly called “watermelon snow” and has been said to even smell like watermelon. Aristotle mentioned this type of colored snow in one of his works. Other colors of snow include green, yellow, and orange, although they are not as common as watermelon snow.