Tag: Lobe

Why does this Nebula Have Two Lobes?

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I am always fascinated by the diversity of colours, shapes, and scenarios that pop up throughout our universe.  Even though we can classify things into categories like ‘planetary nebula,’ ‘galaxy,’ ‘dwarf star,’ and such, there is still a huge amount of variability among these categories.  The most diverse group may be nebulae, since their shape relies on what elements are present, the environment in which they formed, and how far along they are in their evolution.  A great example of a strange and interesting nebula is the PN M2-9, the Twin Jet Nebula. Lying 5,560 light years away, in the...

2 Million Kph Wind from the Milky Way Core!

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I thought Hurricanes had powerful winds.   The strongest wind ever recorded was a gust up to 400 Kph near a tropical cyclone in Australia.  But Earthbound wind has nothing on Galactic wind. Around the time when our ancestors were just learning to walk upright, the core of the Milky Way Galaxy unleashed a blast of gasses and material at 2 Million Kph. Millions of years later, we see the aftermath of this eruption as two massive bubbles of material blown out above and below the galactic centre, at least 30,000 Light Years tall! The lobes were discovered by the...