A distant lump of space rock may have a surprising amount in common with the core of our own planet.
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Articles on Solar system
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Studying the sample could help answer how water arrived on Earth and how life started.
The asteroid is interesting from a scientific perspective as well as a commercial one.
Controlled experiments are impossible in astronomy, as are direct measurements of physical properties of objects outside our solar system. So how do astronomers know so much about them?
NASA’s OSIRIS-REx mission has delivered pieces of asteroid Bennu, which scientists hope will offer a window into the early era of the Solar System billions of years ago.
Planetary analogues are sites on Earth that are so extreme that they replicate those of celestial bodies in our solar system.
There’s a chance Nishimura might brighten unexpectedly – but it’s a slim one.
A new study of the meteorite Erg Chech 002 makes it one of the most precisely dated space objects and changes our understanding of how elements were spread around the cloud of dust that formed the Sun and planets.
Liftoff to the distant asteroid is scheduled for Oct. 5, 2023 – the beginning of a six-year journey to one of the most unusual objects in the solar system.
The Voyager 2 spacecraft is 20 billion kilometres away and has lost track of Earth. A radio dish near Canberra is the only channel for re-establishing communication.
If an astronaut were to die on Mars, neither cremation nor burial would be good options.
There are suspicions that our solar system could harbour another large planet much further away than Pluto.
If we could go sightseeing across our cosmic neighbourhood, these would be some of the best highlights.
New research suggests Saturn’s rings may be surprisingly young.
There’s nothing weird happening with Mercury. In fact, most days of the year there’s at least one planet in retrograde.
Not all lunar eclipses are alike. An astronomer explains the science behind the slight dimming of the Moon on May 5, 2023.
The current race to the Moon is opening up opportunities for lunar astronomy.
One of Jupiter’s moons, Ganymede, could contain more water than the Earth.
History might give you the impression astronomical discoveries were only done by men. But women were participating in scientific expeditions of eclipses too, even though it wasn’t easy.
The newly discovered comet C/2023 A3 Tsuchinshan-ATLAS is anticipated to be spectacularly bright late next year. But it’s important to temper our expectations.
Top contributors
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Professor (Astrophysics), University of Southern Queensland
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Professor of Planetary Geosciences, The Open University
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Senior Curator (Astronomy), Museums Victoria and Honorary Fellow at University of Melbourne, Museums Victoria Research Institute
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Associate Professor in Archaeology and Space Studies, Flinders University
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Professor of Planetary and Space Sciences, The Open University
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Associate Professor in Astronomy, Monash University
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Program Manager / Adjunct Research Fellow, Swinburne University of Technology
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Senior Instrument Scientist, Australian Nuclear Science and Technology Organisation
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Senior Lecturer in Environmental Science and Planetary Exploration, University of Stirling
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Post Doctoral Research Fellow in Space Science, University of Birmingham
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Senior Lecturer in Physics, Nottingham Trent University
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Outreach Manager, Canberra Deep Space Communication Complex, CSIRO
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Professor of Physics, Deputy Director (Solar System) at the Mullard Space Science Laboratory, UCL
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Pro Vice-Chancellor Flagship Initiatives, Swinburne University of Technology
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PhD Candidate, University of Southern Queensland
