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Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...
We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.
In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds silently loop around their stars. Some drift as far as 10,000 times the ...
Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...
There's a new interstellar object moving through our solar system and it's called 3I/ATLAS, according to NASA.
The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...
The fastest object in space - Parker Solar Probe - has sent stunning new views of the Sun from its closest distance. The new pictures released by NASA show features in the solar wind and they're ...
A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...
An object that appears to be from beyond our Solar System has been spotted hurtling towards the Sun, which if confirmed would ...
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