New Horizons launched on January 19, 2006, and itâll reach Pluto on July 14, 2015. Do a little math and youâll find that it has taken 9 years, 5 months and 25 days. The Voyager spacecraft did the distance between Earth and Pluto in about 12.5 years, although, neither spacecraft actually flew past Pluto.luto travels on a highly elliptical orbit around the Sun. At its closest point, known as âperihelionâ, Pluto is only 4.4 billion kilometers out. Thatâs nearly 30 AU, or 30 times the distance from the Earth to the Sun.
The LAD gives rise to the following two sets of branches: 1  The diagonals are branches of the LAD that runs diagonally away from the LAD and towards the left edge in front of the heart. 2  The septal perforators (SP) runs into the septum (partition that separates the two ventricles) and provides its blood supply.
The right coronary artery and the left coronary artery branch off the aorta (just after it leaves the heart) to deliver oxygen-rich blood to the heart muscle. These two arteries branch into other arteries, including the circumflex artery, that also supply blood to the heart.The cardiac veins collect blood from the heart muscle and empty it into a large vein on the back surface of the heart called the coronary sinus, which returns the blood to the right atrium.lood Supply of the Heart. Like all organs, the heart needs a constant supply of oxygen-rich blood. A system of arteries and veins, called the coronary circulation, supplies the heart muscle (myocardium) with oxygen-rich blood and then returns oxygen-depleted blood to the right atrium.