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Tycho BraheWhat 16th century Danish astronomer is known for his accurate astronomical and planetary observations?

Sputnik

What is the name of the first satellite launched into Earth orbit?

PleiadesWhat star group is known as "The Seven Sisters?

Laika

What was the name of the first dog in space?

What NASA probe was put into orbit around Saturn in 2004?

Who was the first woman in space?

What is the name of the Apollo 11 landing module?

What is the name of the first Space Shuttle, used for atmospheric tests only?

What is the name of the largest known volcano in the solar system?
Telestar What is the name of the first tele-communications satellite?

What is the name of this "equine" nebula?

Astronomy & Space

Planets and Their Moons:

Mercury: The smallest planet
- Closest to the sun; no moons
- Orbital period: 88 days

Venus: The “greenhouse effect” planet
- No moons
- Probes: Venera (Russian)
- Orbital period: 225 days

Earth: The only planet not named after a mythological figure
- One moon, walked on by twelve astronauts from the Apollo program
- Lunar probe: Surveyor

Mars: The red planet
- Moons: Phobos (largest) and Demos (fear and dread)
- Probes: Ranger and Pathfinder, Spirit, Opportunity, Curiosity (2012)
- Volcano: Olympus Mons (largest known volcano in the solar system)
- Orbital period: 1.9 years

Jupiter: The largest planet; larger than all others put together
- Distinguishing feature: a great red spot (a huge storm bigger than Earth)
- Galilean moons: Io, Europa, Callisto, and Ganymede (largest moon in the solar system)
- Jupiter has many other smaller moons
- Probes: Voyager I & II, Galileo, Juno
- Orbital period: 12 years

Saturn: The ringed planet
- Moons: Titan (moon with mysterious atmosphere) and many others
- Probes: Voyager I & II, Cassini
- Orbital period: 29 years

Uranus:
- Moons: Titania, Oberon, Umbriel, Ariel, Miranda, and others (Thirteen of Uranus’ moons are named after Shakespearian characters).
- Probe: Voyager II
- Discoverer: William Herschel, 1781
- Orbital period: 84 years

Neptune: The blue planet
- Moons: Triton, Nereid and others.
- Distinguishing feature: the great blue spot
- Probe: Voyager II
- Discoverer: Johann Galle, 1856
- Orbital period: 165 years

Pluto: (declassified from planet to dwarf planet in 2006)
- Moon: Charon
- Discoverer: Clyde Taumbaugh (on calculations from Percival Lowell, the “PL” in Pluto)
- Orbital period: 248 years

Other Facts:


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