In each case due south is in the centre. Complétez votre Collection Southern Cross. Unlike the star known as Polaris in the Northern Hemisphere, there is no polar star indicating south in the night sky of the Southern Hemisphere. Go half way between them and proceed at right angles. When using the Pointers to find south, draw a line perpendicular to the line joining the two stars and about halfway between them. First, imagine a line extended out from the long axis of the Southern Cross. he Southern Cross itself is above the Pointers. Drop a vertical line from this point, which is the South Celestial Pole (SCP), to the horizon – that place is due south. However, there is a useful celestial marker known as Crux, or the Southern Cross. Extend the cross line as you did before. Find the pointer stars. At the same time imagine another perpendicular line extending from between the Pointers. The Southern Cross rotates around the south celestial pole. There are three ways to locate due south using the Southern Cross: 1. The Southern Cross can be used for navigation since the longer bar of the Cross points almost exactly toward the South Pole of the sky, which unfortunately has the nickname the “south solar pit” because it is not marked by any bright star. Even though the Southern Cross moves around the sky during the year, the foot of the cross always points to the SCP, which is very handy if you’ve lost your compass or the sun’s gone down. the southern cross constellation can be used to find south is once located the southern cross measure 5 1/2 times south east direction an you will find south . The brighter of the two pointer stars, Rigel Kentaurus, may look like one star with the naked eye, but when you look at it through a medium to large telescope, you’ll see there are two stars. 3. Every month, there’s something new to see in WA’s amazing night sky. There are a pair of bright stars, the one on the right Alpha Centauri. There are many constellations that can be seen in both the northern and southern hemispheres; however, each hemisphere hosts some constellations that are visible only in one or the other. By continuing to use this website, you consent to the use of cookies in accordance with our Cookie Policy. Follow the line to south, which is more or less straight up. Imagine a line connecting the Pointers. All non-text content is subject to specific conditions. First, imagine a line extended out from the long axis of the Southern Cross. See if you can find Crux in the list. Roughly, where these two lines intersect, marks our South Celestial Pole. The International Astronomical Union website is a great place to take a look at all 88 constellations. The Southern Cross is located near the larger constellation Centaurus, which surrounds it on three sides. The best way of finding it is by using the brighter, southern cross. It's called polaris australis or sigma octantis. Why is Now the Best Time to be A Stargazer? If you’re in the Southern Hemisphere, the North Star won’t help you navigate. Now let’s find south using the Southern Cross. 2. There is a good reason for this: it is easy to find and is very accurate. Drop a line straight down to the horizon to find due south! It’s probably because we recently updated our site. Find the midpoint between the Two Pointers. Finding South Using the Stars. But it is a notable star as it is our next closest star to Earth after the Sun, at a mere 4.2 light years away. These are called Rigel Kentaurus A & B. The Maori called it Te Punga, or “the anchor”. And you can even find south using the Southern Cross! It is normal on flags to represent the Southern Cross 'standing up' with the brightest star at the bottom and three stars at the top. The meeting place is the approximate location of the South Celestial Pole. The cross is also on the Australian flag (although it shows all five stars compared to New Zealand’s four). I hope that this helps. Be the first to answer! Découvrez des références, des avis, des crédits, des chansons, et bien plus encore à propos de Southern Cross - Southern Cross sur Discogs. Save my name, email, and website in this browser for the next time I comment. In the northern hemisphere Polaris, the North Star, tends to get all the attention when it comes to finding direction using the stars. Be the first to answer this question. These stars are labeled alpha, beta, gamma, delta and epsilon. Roughly, where these two lines intersect, marks our South Celestial Pole. One way is to extend the line made by the long axis of the cross 4 1/2 times the length of the cross. The Southern Cross is easily visible in the Southern Hemisphere and not visible at all, north of +20° in the northern hemisphere. But that not all! The Southern Cross is represented on the national flags of Australia, New Zealand, Papua New Guinea, Samoa and Brazil. Using the Southern Cross to find South and to Tell the Time. Alpha always designates the brightest star in a constellation. 2. You’ve found south! So, enjoy this beautiful constellation, shining so brilliantly overhead in our southern night sky. The group's distinctive shape is easily located because of its brightness and close proximity to each other. Draw an imaginary line from the top of the cross to the bottom and extend it 4.5 times. This item has been provided for private study purposes (such as school projects, family and local history research) and any published reproduction (print or electronic) may infringe copyright law. In the southern hemisphere the Southern Cross is used to find south and Polaris is not visible. Most people simply see an ocean of glittering stars, but with just a small amount of knowledge, you will be able to learn the star patterns of the constellations which reveal a world of ancient stories, spread out across the night sky. Use the Southern Cross to find south. Asked by Wiki User. They are arranged in a clockwise manner in order of increasing magnitude. From the Southern Hemisphere, the Southern Cross points the way south. There are also constellations that are unique to the northern or southern hemisphere, called circumpolar constellations. This is the smallest of the 88 constellations and throughout autumn and winter you can find it lying high in the southern sky. Beta Crucis, also known as Mimosa, is the second brightest star of the Crux constellation and is approximately 350 light years from Earth. This constellation is always visible in the Southern Hemisphere. Using the Southern Cross to find South See video demonstration here . We know that the long arm of the cross points towards the SCP, but how far away is it? 2. 0 0 1. We’ll send you a FREE Telescope Cheat Sheet! What Are the Pros & Cons of Having an Australian Space Agency. Make an imaginary line between Gacrux and Acrux. The Southern Cross is the best known and most represented star group in the Southern Hemisphere. There are a couple of ways to use it to find south. At the same time imagine another perpendicular line extending from between the Pointers. The Southern Cross is the smallest and one of the eighty eight known constellations in the galaxy. Latitudes like Hawaii can see it. The brighter of the two and closer to the horizon, has been commonly known as Alpha Centauri, but the International Astronomical Union officially refer to it Rigel Kentaurus from its old Arabic name “foot of the centaur”. It’s the 12th brightest star we see in the night sky and is 321 light-years away. The content of this field is kept private and will not be shown publicly. How can you find your way using the southern cross? But if you live south of the equator, it’s not the Big Dipper that people choose as their guide to the night sky. Draw an imaginery line down along the longest angle of the cross all the way to the ground. Drop a vertical line from this point, which is the South Celestial Pole (SCP), to the horizon – that place is due south. The Five Most Interesting Meteorite Impact Craters Across the Globe. The South Celestial Pole is about halfway along this line. One of Australia’s iconic constellations is, of course, the Southern Cross – featured on our flag and in our national anthem. When you look up into the night sky, what do you see? It looks like a diamond lying on its side and is actually made up of five stars. Finding the real Southern Cross can be tricky, as there are four other bright stars nearby. Draw an imaginary line from the top of the cross to the bottom and extend it 4.5 times. Extend this line from Acrux (the brightest star) for 4.5 times the length of the Southern Cross, as shown in the diagram below. When you head outside to stargaze in the early autumn evenings, you will first notice two bright stars on a diagonal. For locations south of 34°S, Crux is circumpolar and thus always visible in the night sky. It is the responsibility of the user of any material to obtain clearance from the copyright holder. Crux constellation is also bordered by Musca, the Fly.To find the Southern Cross, first look for the two very bright stars nearby, Alpha and Beta Centauri. Rigel Kentaurus is actually a three-star system with the third star, not visible to the eye, called Proxima Centauri. Drop a line straight down to the horizon to find due south! Together, the two stars are commonly known as the “Pointers”, because they seem to point towards the Southern Cross. The Southern Cross climbs highest - due south - in the evening around now. As Earth orbits the sun, the constellations in the night sky shift as well. Where that line meets the line formed by the two most widely separated stars in the Southern Cross is the south point in the sky (the South Celestial Pole). There are several methods of doing this but the simplest is as follows. A stone image of Crux constellation has been found in Machu Picchu in Peru. Position. Different seasons and times of the year determine which constellations are visible. The constellation is not visible in the northern hemisphere. In early autumn evenings, the Southern Cross itself is above the Pointers. This how to find the Southern Cross grab a compass and Point it to the south this is useful for tourists to find the Southern Cross in the sky we would like you to pass this on … Maggy Wassilieff, 'Southern Cross - Orientation and navigation', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/diagram/7486/navigating-by-the-southern-cross (accessed 19 January 2021), Story by Maggy Wassilieff, published 12 Jun 2006. Epsilon Crucis – Epsilon is an orange giant and is approximately 228 light years away. One of the easiest and well-known constellations to find is the Southern Cross. But in the real sky there is no marker to the SCP. Locate south by dropping a vertical line from here to the horizon. All text licensed under the Creative Commons Attribution-NonCommercial 3.0 New Zealand Licence unless otherwise stated. Alpha Crucis or Acrux is the brightest star in the the Southern Cross (or Crux). However the ordinary New Zealander will rarely see the constellation straight up and down: it makes various angles with the horizon depending on the time of year and time of night. The end of that line marks near the south celestial pole. Who doesn't love being #1? There are three ways to locate due south using the Southern Cross: 1. First, before we discover how to find south using the Southern Cross, let’s learn a bit about this well-known constellation. If you see the cross upright or upside down, like above, you are approximately facing south. From the Northern Hemisphere, a fairly bright North Star marks the direction north. Extend an imaginary line from the dimmer of the two Pointers to a lone bright star called Achernar. Delta Crucis is known as a subgiant star and is about 360 light years away. Locate south by dropping a vertical line from the South Celestial Pole to the horizon. The southern hemisphere does have a star that points south but it is nowhere near as bright as the north star and can be quite hard to see with the naked eye. Try searching instead. Another slighty trickier, but more accurate, way of finding south is to use the Southern Cross and the pointer stars from the neighbouring constellation, Centaurus. Method 2: Draw a line perpendicular to the line joining the two stars of the pointers and about halfway between them. Southern Cross (Titre original: Chōjikū Kidan Southern Cross, Titre anglais: Super Dimensional Cavalry: Southern Cross, Titre international: Robotech - The Masters) est un anime de science-fiction japonais en 24 épisodes de 26 minutes, diffusée en 1984 au Japon. This will take you to the position of the South Celestial Pole in the sky. The Southern Cross. Commercial re-use may be allowed on request. You can find the Southern Cross by the Pointers – two bright stars that point towards it. As well as being a national symbol, the Southern Cross is a name given to ships, planes, newspapers and companies. That point is called the South Celestial Pole (SCP) and is vertically above South. The Southern Cross is officially what’s known as an asterism, a collection of stars that belong to the constellation of Crux. Also known as The Crux, it is comprised of four or five major stars arranged in a cross like pattern and visible in the southern sky at night. The constellation Crux (also known as the asterism of the Southern Cross) is easily visible from the southern hemisphere at practically any time of year. In Australian Aboriginal astronomy, the Coalsack Nebula which is the dark area underneath the Southern Cross in early autumn and winter evenings, represents the head of the Emu in the Sky. Instead, find true south using the Southern Cross constellation. It looks like a diamond lying on its side and is actually made up of five stars. © Crown Copyright. Head over to Astrotourism WA for a preview of what’s coming up this month. En France, la série a été diffusée dans le cadre de Robotech à partir du 30 juin 1987 sur La Cinq. Although it does get very low on the horizon depending where you are in. This is, in general, the direction of south. It's possible to see from latitudes like the far-southern contiguous U.S., but difficult. Where that line meets the line formed by the two most widely separated stars in the Southern Cross is the south point in the sky (the South Celestial Pole). All constellations have bright stars that are listed using the Greek Alphabet. Explorez les références de Southern Cross sur Discogs. Creative Commons Attribution-NonCommercial 3.0 New Zealand Licence. Here’s how to find south with the Southern Cross: Watch my video on how to find south with the Southern Cross! Locate the Southern Cross constellation. Find the two stars that make up the lengthwise portion of the cross and imagine a line that extends out four and a half times greater than the full length of the cross. Achetez les Vinyles, CDs de Southern Cross, et plus encore sur la Marketplace Discogs. Crux means “the cross” in Latin and carries cultural significance in many countries in the southern hemisphere. It can be seen all year round from almost anywhere in the Australia. Now let’s find south using the Southern Cross. Gamma Crucis or Gacrux is a red giant star and approximately 88 light years from Earth. We can't find the page you're looking for. Answer. Hello Dave. © Copyright 2013 - 2021 Stargazers Club WA | Website by, How to Find South Using the Southern Cross. Another way to find this point is to use the pointer stars. It holds special meaning in Australia and New Zealand, where it is circumpolar (continually visible above the horizon) and can be seen throughout the year. Circumpolar constellations are useful reference points f… Midway along this line, extend another line at a right angle to it, until it meets another line drawn down the long axis of the Southern Cross. When you reach the terminus of that imaginary line, draw another imaginary line that extends to the ground. As this video says, it’s been used for years by seafarers in the southern hemisphere for navigation; you can do the same and use it to find south. View 1: The constellation called "Southern cross" or "Crux" is low down. Identify the Southern Cross and the Two Pointers (part of Centaurus), careful to avoid the ‘false cross’. Extend an imaginary line from the dimmer of the two Pointers to a lone bright star called Achernar. Note that the long axis of the cross always points to the center of the disk. The constellation is made up of 4 bright stars that form a kite shape if you trace the border around them. How to find the direction of south by using the Southern Cross. 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