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The Latest Breaking News from Solar System

10 out-of-this-world solar system discoveries made in 2023

From Mercury to Pluto (and maybe even Planet Nine), here are some of 2023's most intriguing discoveries about the planets, moons and other bodies in our solar system.

LiveScience

In the quest to find alien life, scientists are searching for extrasolar Earth-Jupiter duos

Jupiter played a key role in life developing on Earth, so to boost the search for life outside the solar system, scientists have built a catalog of small, Earth-like planets with Jupiter-like siblings.

Space

New Webb Telescope Image Reveals Uranus In A Whole New Light

A new JWST image of Uranus is shedding light on the ice giant's ring structure and mysterious storms.

Inverse

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The longstanding mystery of Mars’ moons – and the mission that could solve it

the Japan Aerospace Exploration Agency will launch a mission, named “Martian Moon eXploration”, to Phobos and Deimos in September 2024. The mission will be carried by a newly designed rocket, the H-3, which is still under development.

The Hindu

The 12 Best Space Images of 2023

Here are our picks for the 12 best space images of the year.

Inverse

How many times has the sun traveled around the Milky Way?

Our solar system has been orbiting the Milky Way's black hole heart for 4.6 billion years. But it is hard to pin down exactly how many trips around the galaxy our sun has made during that time.

LiveScience

How many times has Earth orbited the sun?

We worked out how many trips each of the solar system's eight planets has taken around the sun over the past 4.6 billion years.

LiveScience

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That’s no moon! Scientists doubt proposed detection of the 1st exomoons

Scientists aren't sure whether humanity really detected moons outside the solar system.

Space

Halley's Comet begins its 38-year journey back toward Earth tonight

On Friday, Dec. 8, Halley's Comet reaches its farthest point from the sun and begins its journey back through the solar system.

Space

'For All Mankind' season 4 episode 5 review: A new asteroid heading for Mars puts a rocket under the season

A new body in the Solar System starts a multi-trillion-dollar gold rush, while the shockwaves from a certain someone's departure continue to resonate on Mars.

Space

The longstanding mystery of Mars' moons – and the mission that could solve it

The two small moons of Mars, Phobos (about 22km in diameter) and Deimos (about 13km in diameter), have been puzzling scientists for decades, with their origin remaining a matter of debate. Some have proposed that they may be made up of residual debris produced from a planet or large asteroid…

The Conversation

Space mysteries: Why are there no gas moons?

In our solar system we have rocky moons, ocean moons and frozen-ice moons, but there are no gas moons. Are we just unlucky not to have any gas moons, or are there physical reasons why they cannot exist?

Space

Enormous planet discovered around tiny star could break our understanding of solar system formation

The massive planet LHS 3154b orbits a star much smaller than Earth's sun, and its discovery could upend everything we think we know about how solar systems form.

LiveScience

A 'runaway star' could save Earth from extinction a billion years from now. Here's how.

Earth will become too hot to handle in a billion years. There's a (very) remote chance a passing star could save us by knocking our planet back into the habitable zone.

LiveScience

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Space

Our solar system's planets aren't weird after all. Exoplanets have tilted orbits, too

All solar system planets circle our sun with slightly tilted orbits — and a new study shows even distant planetary systems in quiet neighborhoods have orbital tilts, too.

The Hindu

Six planets found in synchronized orbit may help solve cosmic puzzle

They are the most common type of planet observed in our Milky Way galaxy - two to three times the diameter of Earth but smaller than Neptune, and orbiting closer to their stars than our solar system’s innermost planet Mercury does to the sun.

The Independent UK

A six-planet solar system in perfect synchrony has been found in the Milky Way

Astronomers have discovered six planets orbiting a bright, nearby star in perfect synchrony like a grand cosmic orchestra

The Guardian - UK

Planets of distant solar system orbit star in coordinated dance, say scientists

Findings could help explain how planets in our own solar system move around the sun

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Space

This rare exoplanet system has 6 'sub-Neptunes' with mathematically perfect orbits

A newfound, and impressively well-maintained, planetary system full of sub-Neptunes could reveal why our solar system lacks such a world.

LiveScience

6 alien worlds have been 'waltzing' in perfect rhythm for 4 billion years

Six exoplanets with sizes between Earth and Neptune have been in rhythm with each other since they were born around the same star 4 billion years ago, new research suggests.

The Conversation

Unwrapping Uranus and its icy secrets: What NASA would learn from a mission to a wild world

Uranus, the seventh planet from the Sun, orbits in the outer solar system, about two billion miles (3.2 billion kilometers) from Earth. It is an enormous world – quadruple the diameter of Earth, with 15 times the mass and 63 times the volume.

Evening Standard

Scientists examine 4.5 billion-year-old asteroid sample which could reveal origins of life on Earth

Samples of the Bennu asteroid could shed light on the formation of our solar system

Celestron Nexstar 4SE review: take a guided tour of the Solar System

A solid telescope for stunning views of the planets

The Independent UK

UK scientists studying ‘teaspoon-sized’ sample from asteroid Bennu to understand origin of life

The unremarkable black dust-like sample from asteroid Bennu could help shed light on some of the biggest questions about how Earth formed

The Independent UK

4.5 billion-year-old asteroid could reveal the origins of life on Earth

In September Nasa’s Osiris-Rex safely brought samples from asteroid Bennu to Earth.

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