How to Make a Cosmic Burst in Photoshop
A cosmic burst can be used as a stunning background for pictures and logos. Using Photoshop, you can create a cosmic burst set against a black star-filled background. First fill a black background with stars using the Noise filter, then create a cosmic burst in the center of the image using the Lens Flare filter. Experiment with the settings in the Noise filter to create a different background. You can also create different cosmic bursts by using different settings in the Lens Flare filter.
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Instructions
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Open a new Photoshop file by clicking "New" under the File menu. A dialog box opens. Click the first menu beside Color Mode and select "RGB Color." Click the second menu beside Color Mode and select "16 Bit." The Lens Flare filter does not work on Grayscale or CMYK modes. Click "OK."
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Click the “Foreground Color” icon in the Toolbox. Select black from the Color Picker by typing “000000” in the # field. Click “OK.”
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Click the Paint Bucket tool from the Toolbox and click the image with the tool. The image becomes black.
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Click “Noise” from the Filter menu and click “Add Noise.” Adjust the settings to Gaussian and Monochromatic. Type “20” in the Amount field and click “OK.” The image is filled with stars.
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Click the “Image” menu. Click “Adjustments” and select “Brightness & Contrast.” Drag the Brightness slider to “-50” and the Contrast slider to “90.” Click “OK.”
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Click the “Filter” menu, select “Render” and click “Lens Flare.” Type “100” in the Brightness field and select “105mm Prime.” Drag the “+” symbol in the preview window into the center of the preview. Click “OK.”
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Add some color to the cosmic burst by creating a new layer from the Layer menu. Click "Foreground Color" in the Toolbox and select a blue, yellow or other appropriate color from the color picker. Select the Paint Bucket tool and click on the image. Reduce the opacity of the layer by dragging the "Opacity" slider in the Layer panel to anywhere between five to 10 percent.
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Save your image by clicking the "File" menu and selecting "Save." Select "Save for Web & Devices" to export the image in a Web-compatible file format, such as .jpg or .png.
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