How to Tie a Bow Tie. Whether you're wearing a tuxedo at a wedding or singing in a barbershop quartet, you need to know how to tie a bow tie. It's not something most of us do very often, but luckily, if you can tie your shoes, you can tie.
The Monkey Nebula, is a cloud of gas and dust that surrounds the star cluster The colors in this image may look like brush strokes of paint but actually represent specific wavelengths of infrared light. Particles of interstellar dust are