With the geocentric model, the earth is at the center of the universe, and the planets rotate around the earth. But from the outset, this model was flawed. Astronomers observed that the planets do ...

In a geocentric model, where Venus is always approximately the same distance from Earth, its phase changes do not match observations. Wikimedia Commons users Nichalp and Sagredo ...

New model helps to figure out which distant ... My colleagues and I have developed a new approach that will identify the most interesting planets or moons to search for life and help interpret ...

Among other changes, the Voyage Mark II model displays the planets in glass blocks with laser etchings. “When kids come and see the model, their eyes brighten,” Negus said. “They can actually see that ...

Observatory unveils scale-model solar system Nov 18, 2009 Pouring rain didn't dampen the spirits Saturday of about 100 people who gathered to witness the unveiling of a scale-model solar system at ...

Planets may begin forming much earlier than scientists once believed during the final stages of a star s birth, not afterward. This bold new model, backed by simulations from researchers at SwRI ...

A model originally proposed out of sheer curiosity by a theoretical astrophysicist might actually help astronomers understand the formation of the most common planets in the galaxy. Six years ago ...

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple major telescopes and planetary probes to advance this search. However, the ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The search for life beyond Earth is a key driver ...

Our framework is available as an open-source computer model, which astrobiologists can now readily use and further develop to help with current and future projects.