Το 80% της βιομάζας της Γης αποτελούν τα φυτά, το 15% τα βακτήρια και το υπόλοιπο 5% περιλαμβάνει άλλους μικροοργανισμούς και τα ζώα. Οι άνθρωποι δεν ξεπερνούν το 0,01%, δηλαδή
ΓΑΛΙΛΑΙΟΣ
«Μήνυμα από τα Άστρα» Ενα κόμικ με θέμα τη ζωή και το έργο του Γαλιλαίου Γαλιλέι, ενός ευφυούς, θερμοκέφαλου, αψίθυμου αστρονόμου, με ευρεία αναγεννησιακή μόρφωση και καλλιέργεια, που ορθώνεται ενάντια στο
Earth’s magnetic field is not about to reverse
Intensity at Earth’s surface (left) and radial field (Br) at the CMB (right). Top: mid-point of the Laschamp excursion; bottom: mid-point of the Mono Lake excursion. Thefield is truncated at
Botany experiment will try out zero gravity aboard space station
Professor Simon Gilroy will be sending a canister of plants to the International Space Station in March to test how well they do in a zero-gravity environment. The long-term goal
Zero-Gravity Glow Experiment / Πυγολαμπίδες στο διάστημα
For two years, Maggie Samudio’s second grade classes at Cumberland Elementary School have pursued the designation of the Say’s Firefly as Indiana’s official State Insect. In a science lesson during this effort, her
NASA’s InSight lander buttoned up for trip to Mars
The payload fairing of InSight’s Atlas 5 launcher was closed around the spacecraft April 16. Credit: USAF 30th Space Wing Now cocooned inside a heat shield and the nose shroud
Suborbital test flight moves Blue Origin closer to launching people
The New Shepard booster took off from West Texas at 12:06 p.m. CDT (1:07 p.m. EDT; 1707 GMT). Credit: Blue Origin The privately-developed New Shepard booster, designed and built by
Space Engine Universe Simulator – Animation of the universe 3D atlas
Home Animation of the universe 3D atlas https://www.amnh.org https://eyes.nasa.gov NASA 3D Resources https://nasa3d.arc.nasa.gov JAMES WEBB SPACE TELESCOPE https://www.jwst.nasa.gov/3dflyby.html NetworKing https://nasa3d.arc.nasa.gov/visualizations/networking Space Communications and Navigation https://nasa3d.arc.nasa.gov/visualizations/scan Station Spacewalk Game https://nasa3d.arc.nasa.gov/visualizations/ssg