• Why is there day and night phenomenon?

    Why is there day and night phenomenon?
    The Earth's sphere is always half bright by the Sun, so it was born day and night, because the Earth rotates around its axis, so every surface of the Earth is illuminated by the
  • The world's largest telescope

    The world's largest telescope
    The Giant Magellan Telescope (GMT) is one of the largest telescopes built by humans, allowing scientists to observe distant planets in a way