Some were gaseous, star-forming regions, such as the Orion nebula, or M42 – the 42nd object in Messier’s catalog ... could be enormous stellar systems outside the Milky Way – but astronomers now just ...

Planet Earth is located in one of the spiral arms of the Milky Way (called the Orion Arm) which lies about ... Until now, the true size of galaxies has remained a mystery. A new study, published ...

This week’s small telescope target is the magnificent Orion Nebula, also known as M42. And although for this podcast I’ve categorized it as a “small telescope” target, you can spot this ...

The dwarf irregular galaxy NGC 4214 resides about 10 million light-years away. The galaxy’s relative proximity, combined with the wide variety of evolutionary stages among its stars. This image from ...

Some were gaseous, star-forming regions, such as the Orion nebula, or M42 – the 42nd ... but astronomers now just call these systems galaxies. In 1920, astronomers Harlow Shapley and Heber ...