Could some explain what I need to do to see a star that, from my point of view, is behind a mountain: Obviously, if it's one mountain, and not a very high one, I can just climb it to see what's be…
Around 6.15am (GMT + 1) on the 6th of February 2019 I was looking out of my window somewhat north, when I saw something one would probably call a shooting star. The features were: A magnitude I h…
Biodiversity and extinctions After 4,000 million years of evolution, the most diverse life forms populate the Earth. A large number of animals, plants and other living things form the biodiversity of our planet. They live from the deep sea to the highest mountain ranges, tropical forests and arid deserts, even polar ice ... The existence of such different habitats is precisely the cause of the diversity of life forms on Earth is so wide and varied .
Suppose Europa is found habitable and humans start living on it. Europa is close to Jupiter and during the night Jupiter would be reflecting light to Europa, just like our full moon reflects light to
How is it confirmed that a radiation source (not in visible light) is either terrestrial or celestial? If in-depth explanation and/or references are possible, I would be grateful.
