For tightly packed exoplanet systems, tidal force from other planets may be a significant factor to consider.
What can cosmological simulations tell us about the formation mechanisms of globular clusters?
In today’s posts we discuss observations of a super dense, massive and old proto-cluster and what it means to the Universe’s history
The spectacular disk around HD142527 is a carnival of spirals and gaps: is it all caused by a single massive companion?
A mysterious pair of stars speeding through the outskirts of our galaxy together puzzles astronomers