Our Galaxy forms a disc a little thicker in the center that is observed in profile, which is why the Milky Way seems very long and quite thin. The stars are concentrated in the central part located in the constellation Sagittarius. It is the widest and brightest region.
Paradoxically it is also the most opaque region of the Milky Way because it contains a lot of dust that hides the light of the stars in the background; these are all the dark stripes that you see in the middle of the picture below. At the ends, near the constellations of the Coachman (Auriga) and Gemini (Gemini), it dissipates and can hardly be seen with the naked eye among the nearby stars.
Thanks to radio astronomy and infrared telescopes that can cross dark clouds of dust to observe the other side of the Milky Way, almost all of its shape has been determined. Thus it was discovered that our galaxy had several very tight spiral arms that wrapped around the nucleus. She is escorted by two satellite galaxies, the two Magellanic Clouds visible in the Southern Hemisphere, a little away from the Milky Way.
Our galaxy, with a large “G” to distinguish it from other galaxies, is similar to the billions of other galaxies that populate the universe. We will come back to this in the next chapter.
The Milky Way is one of the largest and most massive galaxies, containing between 200 and 400 billion stars similar to the Sun. Some are younger and are located in the bluish spiral arms where a lot of gas has accumulated, the others are much older than the Sun and are concentrated in the core which has a yellow-orange color. These stars are so close to each other in the heart of the Milky Way that it is impossible to count them!
The Milky Way seen in profile. Our Galaxy is about 120,000 light years in diameter and contains between 200 and 400 billion stars. Its total mass reaches 700 to 850 billion times that of the Sun, as much as the galaxy of Andromeda.
The Milky Way is very large and it is quite difficult to imagine its dimensions: it is about 120,000 light-years in diameter. The Sun is about 25,000 light-years from the center in an area about 700 light-years thick. The Milky Way turns slightly on itself but it is so big that the Sun and the planets take about 250 million years to go around.
All the stars that you see in the sky belong to the Milky Way. They are located near the Sun, at most a few thousand light-years away. The nearest star is Proxima Centauri. It is 4.3 light years away.
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Right — been using this thing for about six months now and I keep coming back, reckon I’d write something up since a mate asked me last week. I’m based in the UK, mostly bet football and racing, small stakes, just so you know where I’m coming from.
What got me on it was actually embarrassing — I couldn’t ever get my head round what an each way return would be once you get five places instead of three. I used to just eyeball it and moan when the payout landed. Now I stick my stake in before every slip, even a straight one-selection punt.
The single bet calculator is the bit I open most — type in your stake, the odds and it spits out the return instantly, fractions or decimals. Same tool covers the fiddly ones — doubles and trebles maths, a lucky 15, a yankee, and that’s where I’d always mess it up. If you fancy a poke about, it lives at trixie betting calculator and there’s no login wall, which I appreciated.
One thing that really made a difference is the geekier bits. The odds-to-probability converter that shows what margin’s baked in, and a kelly staking calculator — I run quarter kelly since full stakes are a quick route to a dead bankroll. Dutching calculator gets used a fair bit if I’m covering two or three runners.
Couple of gripes. Its design looks pretty plain — not much frills, looks like it was built by someone who cares more about maths than colours. On mobile it works although the bigger tables need a bit of scrolling. Also there’s nothing on the app store, it’s browser only — slight shame but worth saying.
Right, that’s me. Free, not plastered in adverts, works. If anyone honestly does the maths on paper, try it — saved me a fair few dumb bets I’d have regretted.
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