The Milky Way Galaxy, or Akasha Ganga, is a vast spiral galaxy containing our solar system. It features a central bulge, spiral arms, and a surrounding halo of stars, gas, and dust, forming a bright band across the night sky.
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The Indian Institute of Astrophysics chose Hanle, Ladakh, for its observatory due to its clear skies, low light pollution, and minimal atmospheric turbulence. The high altitude also offers excellent visibility and stable weather conditions for astronomical observations.
A snail uses its shell for protection and support. The shell is a hard, external structure that safeguards the snail’s soft body from predators and environmental hazards and helps maintain moisture levels.
Non-living things cannot show genuine responses to stimuli. Any apparent response is due to mechanical or chemical processes rather than biological reactions, as non-living entities lack the complexity of living systems.
Shells do not move because they are hard, non-living structures. Movement in living creatures is generally facilitated by their muscles and other biological systems, while the shell remains stationary for protection.