Category Archives: Exoplanets

Astronomers Identify an Exoplanet in the Process of Formation

Illustration of the young massive star HD100546 and its surrounding disk (P. Marenfeld & NOAO/AURA/NSF)

Illustration of the young massive star HD100546 and its surrounding disk. Click here for more information. (P. Marenfeld & NOAO/AURA/NSF)

Here at Lights In The Dark I typically keep the articles and information to exploration occurring within our Solar System. But there have been amazing advances in the discovery of worlds far beyond our own family of planets and this recent news is quite fascinating: astronomers have spotted what appears to be a large gaseous exoplanet in the process of formation around a star only 335 light-years away — literally one of our own cosmic neighbors! Not only is this serendipitous, but also provides insight to how the planets and moons in our own Solar System may have formed, 4.6 billion years ago.

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Earth-Sized Alien Planet Found Around the Stars Next Door

Artist’s impression of a planet discovered orbiting Alpha Centauri B, a member of the triple star system that is the closest to Earth. Our Sun is visible to the upper right. (ESO/L. Calçada)

These days it seems exoplanets are being discovered nearly every week, with “super-Earths”, “hot Jupiters” and “cold Neptunes” being identified (or at least announced as solid candidates) within star systems all around our neck of the galaxy. To top it all off, today the European Southern Observatory announced that an Earth-mass world has now been found orbiting Alpha Centauri B — quite literally the “star next door.”

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