What new discoveries have been made about our solar system?

The corpse, now known as WDJ2147-4035 is one of two white dwarf stars believed to have inhabited the oldest known solar system we have discovered thus far. The discovery was made while analyzing data from the European Space Agency’s Gaia galaxy-mapping mission. These aren’t the first white dwarfs found to be accreting rubble, either.

What evidence suggests the oldest known solar system?

The corpse, now known as WDJ2147-4035 is one of two white dwarf stars believed to have inhabited the oldest known solar system we have discovered thus far. The discovery was made while analyzing data from the European Space Agency’s Gaia galaxy-mapping mission.

How many planets are in the solar system?

Besides the Sun (which is a star) there are 8 large planets in our solar system. The rocky planets are the ones closest to the Sun. These are Mercury, Venus, Earth and Mars. The gas giants are Jupiter, Saturn, Uranus and Neptune. All four of the gas planets have rings around them. Though Saturns are the most prominent ones.

What is the order of the planets in the solar system?

Our solar system consists of 8 planets which are in the order of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. With approximately two trillion galaxies within our observable Universe, and are approximately 10²⁵ planets that orbit stars, with some approximately 10²⁶ to 10³⁰ additional starless planets.