Hubble snaps an autumnal nebula glowing orange from young, hot stars
A new image from the Hubble Space Telescope shows a nebula in the gorgeous colors of autumn, just in time for leaf-changing season in the northern hemisphere. It shows a part of a nebula called Westerhout 5, located 7,000 light-years away and also known as the Soul Nebula. It is an emission nebula, meaning that its gorgeous colors and shapes are created by gas which has become ionized by starlight from bright, hot stars....