1. Nine Planets and the Space Probes
Created by
Dr. A. Dávila

3. Earth Average distance from the Sun: 92,955,820 mi (149,597,890 km)
The Hubble Space Telescope was launched in 1990
It orbits far above the Earth’s atmosphere and returns data

4. Earth to Moon
In 1959 Luna 1 left Earth and passed within the 5,995 km (3,725 mi) of the Moon’s surface after 83 hours of flight.

5. Venus Average distance from the Sun: 67,237,910 mi (108,208,930 km)
On October 1973, Mariner 10 was sent on a trip through the inner solar system
it took 4 months to pass by Venus

6. Mercury Average distance from the Sun 36,000,000 mi(60,000,000 km)
On October 1973, Mariner 10 was sent on a trip through the inner solar system
5 months later it passed by Mercury

7. Mars Minimum distance from Earth is 56,000,000 km (35,000,000 mi)
The minimum distance from at 60 mi per hr it would take 66.5 years
Light travels at a speed of 670,000,000 miles per hour, it would take 5 minutes
In 1964, it took Mariner 4 eight months to reach Mars
Average distance from Mars to the Sun: 142,000,000 mi (228,000,000 km)

8. Jupiter Average distance from the Sun 483,000,000 mi (778,000,000 km)
It took the Galileo spacecraft six years to reach it (launched on October 1989 )

9. Saturn
Average distance from the Sun: 885,904,700 mi (1,425,725,400 km)
Cassini-Huygens spacecraft was launched on July 2004
It took four years to reach Saturn

10. Uranus
Average distance from the Sun: 1,783,939,400 mi (2,870,972,200 km)
Voyager 2
It was launched on August 1977
The closest approach occurred January 1986 (a little less than nine years since it was launched)

11. Neptune
Average distance from the Sun: 2,795,084,800 mi (4,498,252,900 km)
Voyager 2
It was launched on August 1977
The closest approach occurred August 1989 (about three years after reaching Uranus)

12. Pluto
Average distance from the Sun: 3,670,050,000 mi (5,906,380,000 km)
New Horizon was launched on January 2006
Should reach Pluto on July 2015