Category: Space science

While all life on Earth depends on liquid water, astrobiologists are expanding their search to explore what liquids can support life on other worlds. Beyond our planet, the universe offers potential alternatives from subglacial oceans to hydrocarbon lakes, challenging our traditional biases.

For decades, students learned that our solar system had nine planets. However, in 2006, the International Astronomical Union (IAU) reclassified Pluto, leading to discussions about why the number of planets in the solar system seems to change. This shift highlights the dynamic nature of scientific understanding and classification.

Every day, thousands of tons of cosmic dust fall to Earth, yet the question 'how many calories are in 12 oz of space dust?' reveals a fundamental misunderstanding of what this substance is. This article clarifies that cosmic dust has no nutritional calories and is not safe for human consumption, contrasting it with a popular beer of a similar name.