Our nearest stellar neighbor, Alpha Centauri, is moving towards us at a slow and steady pace.
And more is on the way.
Alpha Centauriis currently 4.37 light-years from Earth, a relatively close distance from a cosmological perspective.
The Hubble Space Telescope captured a stunning view of the bright Alpha Centauri A (on the left) and Alpha Centauri B (on the right).ESA/NASA
As it travels through the cosmos, the busy star system ejects material into interstellar space.
In 2017, a long, cigar-shaped object cruised through our solar system unannounced.
Oumuamua, as it came to be known, was thefirst known interstellar objectto visit our solar system.
Its origin, however, remained largely mysterious.
Where did this oddly-shaped space rock come from?
Things are always in motion in space.
Considering how far they are, these objects could be extremely difficult to detect.
Alpha Centauri A is suspected to host a Neptune-sized exoplanet, but scientists have yet to confirm its detection.
More planets are likely to orbit the triple star system, and those planets may be habitable.
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