Human vision may be limited to a specific range of wavelengths, but that doesn't mean we'll never understand the full complexity of light in our Universe.
Instruments can peer into the cosmos in regimes that are otherwise invisible to our eyes, showing us not just the dynamics of the stars, but their absolutely awe-inspiring beauty. This is what we see in a new collection of images from the Chandra X-ray Observatory that combines its data with other instruments for spectacular multi-wavelength views.Because different wavelengths of light have different energies, these images can show us the dynamics of cosmic objects from low energy to high.
star, at the very end of its lifespan. Stars of this kind have already lost at least half their material, and as they pulsate, they reach a brightness 1,000 times that of the Sun.– a 'dead' star that has exhausted its nuclear fuel – and also has a lot going on. As the red giant ejects material, the white dwarf slurps it up.
This violent interaction is creating clouds of dust and gas in a nebula around the binary, churned up by their gravitational interactions and explosive shock waves.Cassiopeia A, located 11,000 light-years away, is one of the most famous and well-studied objects in the Milky Way. It's what we call a supernova remnant – what's left after a massive star has gone kaboom.
These different wavelengths can reveal what's actually happening in the expanding cloud, consisting of the guts of a dead star. From these combined data, scientists are able to identify
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