... by other planets and dynamical interactions with the still present circumstellar disk. In simulations of growing planetary systems, models have revealed that a jam-packed nascent environment can become strongly destabilised by stellar encounters...
... paper. Luckily, this huge temperature difference should be easily observable. "When astronomers look into new forming planetary systems, just measuring the temperatures in the planet's vicinity will be enough to tell which formation mechanism built...
... us understand how it forms and how supernovas seed interstellar space with the raw material for new planetary systems." Aside from the dust, astronomers are also still looking for evidence of a neutron star or a black hole...
...had to extract signals from 45 exoplanets in 38 planetary systems to ensure they were not confused with anything ... things, systematic, volume-limited searches of exoplanet systems for signals from technologically advanced civilisations. The search...
... enabling ALMA to look beyond the dust in these fledgling planetary systems to see what role water plays in their evolution. ...water, a prerequisite for life as we know it, in our Solar System and in more distant regions of our galaxy and beyond. They ...
... a super-sized world unlike any found in our Solar System. The exoplanet was first discovered in 2010 when it was... youth can help scientists work out how planets and planetary systems form. HR8799e is also completely inhospitable too; the exoplanet...