HELP PLEASE ASAP A galaxy has arms of gas and dust; where as galaxy is a category of galaxy that does not have a distinctive shape.

spiral, an irregular

bar, a spiral

irregular, a barred-spiral

elliptical, an elliptical

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.