IN BRIEF K2-18b: possible shelter for extraterrestrial life. Habitable exoplanets: fewer than expected. Multiplication of discoveries of planetary systems. Importance of advanced telescopes in the research. Search for signs of life in the atmospheres of exoplanets. International collaboration to explore habitable planets. New strategies to detect extraterrestrial life. Reflection on the intellectual challenges of this … Read more
IN BRIEF The rover Curiosity discovered the presence of sulfates on Mars, indicating an environment conducive to life. Pure sulfur was identified for the first time, enriching our knowledge of the red planet. A study revealed fossil evidence of a cyclic climate, similar to that of Earth. Scientists discovered a volcano with an impressive height … Read more
IN BRIEF Dark matter: Makes up about 25% of the universe. Dark energy: Represents about 70% of the universe. Dark matter: Has an attractive virtue, promoting clumping. Dark energy: Has a repulsive virtue, pushing celestial objects away. 95% of the universe: Formed by dark matter and dark energy. Invisible: Cannot be detected by light. Persistent … Read more
IN BRIEF Spiral galaxies: grouping of hundreds of billions of stars Structure in the shape of a disk and central bulge Formed by the collapse of hydrogen and helium clouds Spiral arms influenced by giant molecular clouds Notable examples like the Milky Way and the Andromeda Galaxy Variety of shapes: spiral, elliptical, barred, and irregular … Read more