![]() Irregular galaxies have unusual shapes, like toothpicks, rings, or even little groupings of stars. The Hubble Space Telescope captured this image of NGC 5264, an irregular dwarf galaxy. Scientists think the presence of a bar indicates that a galaxy has reached full maturity. Barred spirals sport ribbons of stars, gas, and dust that cut across their centers. The youngest stars form in gas-rich arms, while older stars can be found throughout the disk and within the bulge and halo.īoth the Milky Way and the Andromeda galaxies belong to a subtype known as barred spirals, which make up two-thirds of the group. Spiral galaxies are surrounded by halos, mixtures of old stars, star clusters, and dark matter – invisible material that does not emit or reflect light but still has a gravitational pull on other matter. The spiral arms can be wound tightly or loosely, and some cannot be seen from Earth because we view the galaxy from the side, edge on. These galaxies resemble giant rotating pinwheels with a pancake-like disk of stars and a central bulge or tight concentration of stars. Our Milky Way is one example of a broad class of galaxies defined by the presence of spiral arms. Chu (University of Illinois, Urbana) and STScI CFHT Image: Canada-France-Hawaii Telescope/J.-C. All these shapes are also visible in their normal location in the Shapes drop-down gallery.Īs you learned from this tutorial, PowerPoint does provide an amazing assortment of shapes to use within your slides.This stunning view of spiral galaxy M101, also known as the Pinwheel galaxy, was captured by the Hubble Space Telescope. This area lists any shapes that you use often, as shown in Figure 11, below. Other than the categories mentioned above, the Shapes drop-down gallery also includes a Recently Used Shapes category right on top, as shown highlighted in red within Figure 1, previously on this page. Provides speech and thought bubbles, and line callouts too, as shown in Figure 9, below.Ī special category of buttons that enables you to add push style buttons that allow you to add navigation between slides and other interactivity, as shown in Figure 10, below.įigure 10: Action Buttons Recently Used Shapes Stars with 4 until 32 points, explosions, scrolls, and banners, as shown in Figure 8, below. Learn more about various flowchart shapes in our Flowchart Symbols: What They Represent? tutorial. In addition, lines also work as connectors, which link individual shapes and other slide objects via straight, curved, or elbow branches. Also, you'll find options to create freeform paths and scribbles. Straight and curved lines, with or without arrowheads, as shown in Figure 2, below. PowerPoint 365 sorts these different shape types into nine categories, as explained below: 1. Then, click the Shapes button to bring up a drop-down gallery, as shown in Figure 1, below. To look at these different types of shapes, choose the Insert tab (or even the Home tab) of the Ribbon. In this tutorial, we will explore the various types of shapes available within PowerPoint 365 for Windows: You can even create flowcharts with these shapes. You can do so much with these shapes-for example, you can combine shapes to create your own unique shapes, format shapes with fills, lines, and effects, and even group or layer them one over the other to create more amazing graphics. PowerPoint provides hundreds of shapes efficiently categorized into nine types. ![]() In so many ways, shapes are like the building blocks of almost anything you do on your PowerPoint slides. Whichever shape you use in your slides, they will play a significant role when you want to provide a message within your PowerPoint presentation. ![]() ![]() What do you visualize when you think about a “shape”? Do you imagine a square, a circle, a heart, or even a smiley face? Yes, all those are shapes-as are the hundreds of other recognizable outlines or figures that we call shapes in our daily conversations.
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