An estimated 99.85 percent of the mass of our solar system is contained within the Sun, while the planets collectively make up most of the remaining 0.15 percent.

太阳占据了太阳系总质量的大约99.85%，而在剩余的0.15%中，行星占据了大部分。

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Why do scientists think something could be hidden beyond the edge of our solar system?

为什么科学家认为某些东西可能隐藏在我们太阳系的边缘之外？

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That makes it the biggest known crater in our solar system and it may well be the oldest.

这使它成为太阳系中已知最大的陨石坑，也可能是最古老的陨石坑。

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Mars Day at the Smithsonian Air and Space Museum in Washington is a celebration of our solar system's most famous planet.

VOA: special.2010.07.28

Before last week's announcement, the total number of so-called exoplanets outside our solar system was just over five hundred.

VOA: special.2011.02.09

This most recent collision with Jupiter brought attention to how the huge planet's gravity affects our solar system.

VOA: special.2009.08.25

Asteroid 99942 Apophis is a primordial relic from the formation of our Solar System.

BBC: Foresight mission spacecraft Image

In our Solar System, we believe the Sun has accreted about two-and-a-half Earth-masses of rocky material.

BBC: 'Hungry' stars reveal planet presence

NASA's study of NEOs provides important clues to understanding the origin of our solar system.

ENGADGET: PSA: Asteroid 2012 DA14 will pass the Earth at 2:00pm ET Alt