M42: Inside the Orion Nebula The Great Nebula in Orion, an immense, nearby starbirth region, is probably the most famous of all astronomical nebulas. Here, glowing gas surrounds hot young stars at the edge of an immense interstellar molecular cloud only 1500 light-years away. In the above deep image in assigned colors highlighted by emission in oxygen and hydrogen, wisps and sheets of dust and gas are particularly evident. The Great Nebula in Orion can be found with the unaided eye near the easily identifiable belt of three stars in the popular constellation Orion. In addition to housing a bright open cluster of stars known as the Trapezium, the Orion Nebula contains many stellar nurseries. These nurseries contain much hydrogen gas, hot young stars, proplyds, and stellar jets spewing material at high speeds. Also known as M42, the Orion Nebula spans about 40 light years and is located in the same spiral arm of our Galaxy as the Sun.
Irish Quotes, proverbs, blessings and epigrams have fans throughout the world, and not just people with roots on the Emerald Isle. The Irish have always been known for their keen wit and sense irony, as well as literary abilities.
Sayings from Ireland are especially in demand during the celebration of St. Patrick’s Day, which takes place each year on March 17. However, people enjoy…
The glory of Saturn. (Materials provided by ESA, NASA, ASI)
I feel like Cassini! Whoosh, flying through the outer solar system!
Speaking of Cassini, that wonderful robotic planetary explorer recently captured this view of a 200 mph hexagonal hurricane on Saturn’s pole, which may be hundreds of years old, each side of which is larger than the entire Earth:
As for why this massive hurricane is hexagonal? That remains somewhat of a mystery, although it is likely due to some strange standing wave fluid dynamics in Saturn’s gaseous atmosphere.