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9 sty 2020 · Peering through his newly-improved 20-power homemade telescope at the planet Jupiter on Jan. 7, 1610, Italian astronomer Galileo Galilei noticed three other points of light near the planet, at first believing them to be distant stars.
Mars: Galileo Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) Solid-State Imaging: 2800x1824x3: PIA02570: Earth Mars Comparison Full Resolution: TIFF (5.946 MB) JPEG (269.4 kB) 2000-10-26: Jupiter: Galileo: Near Infrared Mapping Spectrometer: 2769x1542x3: PIA02569:
Sidereus Nuncius contains more than seventy drawings and diagrams of the Moon, certain constellations such as Orion, the Pleiades, and Taurus, and the Medicean Stars of Jupiter. Galileo's text also includes descriptions, explanations, and theories of his observations.
Satellites of Jupiter. Jupiter has a large number of satellites. Of these, four are comparable to the Earth's Moon in size; the rest are orders of magnitude smaller. When Jupiter is at opposition and closest to the Earth, the stellar magnitude of its four large moons is between 5 and 6.
TERRESTRIAL BODIES that have now been studied at close range in space missions are Mercury, Venus, the earth, the earth's moon, Mars and the four Galilean moons of Jupiter. These bodies are designated terrestrial because of their similarity in size and composition to the earth.
On January 7, 1610, Italian astronomer Galileo Galilei discovered, using a homemade telescope, four moons orbiting the planet Jupiter. Looking at what he thought were a group of stars, he realized the objects appeared to move in a regular pattern.
9 lis 2020 · The four large satellites of Jupiter, discovered in 1610 by Galileo Galilei, have been viewed by more people than any other planetary satellites besides the Moon.
