The Indian Astronomical Observatory in Hanle is crucial for advanced astronomical research due to its high altitude, clear skies, and minimal light pollution. It enables precise observations of celestial objects and contributes to significant discoveries in astronomy.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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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.
Increasing light pollution disrupts human sleep, wildlife behavior, and ecosystems. To control it, I would use outdoor lights only when necessary, install motion sensors, and choose LED lights with proper shielding to minimize skyglow and light spill.
The mantle is an organ in snails that secretes the shell. It produces the shell’s calcium carbonate material and contributes to its growth, providing the snail with protection and support.
The shell is crucial for a snail’s survival as it provides protection from predators, prevents dehydration, and offers structural support. Without it, a snail would be vulnerable to various environmental threats.