Editing 2783: Ruling Out
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Most science studies are intended to discover new knowledge. In astronomy, the goal is often to find different types of objects in space, or learn how astronomical objects are formed and behave. But often from studying things that exist, we also learn about limits of the kinds of things that ''can'' exist; when this happens, we say that we've "ruled out" the excluded phenomena. | Most science studies are intended to discover new knowledge. In astronomy, the goal is often to find different types of objects in space, or learn how astronomical objects are formed and behave. But often from studying things that exist, we also learn about limits of the kinds of things that ''can'' exist; when this happens, we say that we've "ruled out" the excluded phenomena. | ||
β | [[Cueball]] lists five obviously impossible objects. | + | [[Cueball]] lists five obviously impossible objects. |
* "Earthlike stars": A play on "Earth-like planets" which scientists are very interested in finding. The [https://solarsystem.nasa.gov/planets/earth/overview/ Earth] is not a {{w|star}}, hence stars cannot be Earthlike. | * "Earthlike stars": A play on "Earth-like planets" which scientists are very interested in finding. The [https://solarsystem.nasa.gov/planets/earth/overview/ Earth] is not a {{w|star}}, hence stars cannot be Earthlike. |