It magnifies the available (ambient) light. Night-vision technology amplifies available light by as much as 40,000 times.
the telescope was shining it was painted a sky blue and decorated with fake diamonds and rubies
Galileo built the first telescope in 350BC. He used it to survey the night sky.
Galileo
Out doors, at night. The darker the sky (the further away from city lights) the better.
At the time, using a telescope to observe the night sky was a new and controversial idea. Many astronomers were skeptical of Galileo's findings and methods, preferring to rely on traditional instruments and observations. Additionally, telescopes were expensive and not widely available, which may have limited their adoption among fellow astronomers.
the telescope was shining it was painted a sky blue and decorated with fake diamonds and rubies
Galileo built the first telescope in 350BC. He used it to survey the night sky.
its the telescope with suitable configuration of power.
binoculars telescope and satelite
a stars chat
Mercury, Venus, Mars, Jupiter, and Saturn are visible from Earth without a telescope. At certain times, for those with excellent vision, Uranus is visible. Some planets are best viewed just before dawn.
Galileo Galilei
Planisphere or just your average telescope.
Galileo
Galileo
a hubble space telescope
Galileo