An image of RCW 36 in which the Milky Way nebula appears like a vast cosmic bird of prey (Image credit: Robert Lea (created with Canva))
Using the Very Large Telescope (VLT), astronomers have captured a stunning image of a glowing nebula in the Milky Way that resembles a vast cosmic hawk swooping down on its prey.
What is it?
The nebula in question is RCW 36, located around 2,300 light-years away from Earth in the Vela constellation.
The head and body of this hawk are composed of dark clouds and filaments of gas and dust. Below the hawk-outline is a blue stellar nursery packed with newborn massive blue stars.
Why is it special?
You may find it surprising to learn that it isn’t the newborn stars in RCW 36 that scientists are really fascinated by.
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Astronomers believe that this nebula is filled with dim stellar bodies called brown dwarfs.
These objects have been labelled with the unfortunate nickname “failed stars.” This is because, despite forming like stars from collapsing patches of overdense and cool gas, brown dwarfs fail to gather the mass needed to generate the temperatures and pressures in their cores needed to fuse hydrogen to helium. That’s the process that defines what a main-sequence star is.
This image of RCW 36 was ironically and coincidentally captured by the VLT instrument HAWK-I.