Early Telescopes: Expanding Humanity’s Cosmic Vision

The first telescopes appeared in the Netherlands around 1608.
Galileo soon improved the design and pointed it at the skies.
Early telescopes revealed craters on the Moon and moons around Jupiter.
They challenged the old belief in perfect heavenly spheres.
Refracting telescopes used lenses to bend and magnify light.
Later, reflecting telescopes used mirrors, reducing distortion.
Johannes Kepler refined designs that inspired future instruments.
Early telescopes were small but revolutionized humanity’s place in the cosmos.
They laid the foundation for modern astronomy and space exploration.
From simple spyglasses to giant observatories, telescopes reshaped cosmic vision.