A spiral structure in the inner Oort cloud
We typically think of the Oort cloud as scattered ice balls floating far from the sun, yet still tied to it gravitationally.
Astronomy on MSN10d
What will happen to the solar system when the Milky Way and Andromeda Galaxy merge?
Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...
BBC2y
Changing ideas about the Solar System
An Egyptian astronomer called Ptolemy (AD100-168) described one of the earliest ideas for how the Solar System is structured. Ptolemy’s model and many earlier ideas of the Solar System had the ...
The Debrief3d
Did Our Solar System Pass Through a Giant Molecular Cloud Ten Million Years Ago?
Could our solar system have been temporarily exposed to an enhanced flux of cosmic-rays at some point in the ancient past?
Interstellar Asteroids Could Originate From Alpha Centauri, Says Paper
New paper points to the Alpha Centauri triple star system as likely potential source of millions of interstellar asteroids and comets.
Phys.org24d
There's more than just gravity at work in the solar system
The paper, authored by David Jewitt from the University of California and published in The Planetary Science Journal, explores other forces that shape our solar system. Gravity certainly describes ...