Alpha Centauri (Rigil Kentaurus): Our Sun’s Closest Neighbor
Alpha Centauri (Rigil Kentaurus) is the closest star system away from our sun. It’s about 4.3 light years (or 25 trillion miles) away from Earth.
Month: September 2017
Plate Tectonic Types: Divergent, Convergent and Transform Plates
Plate boundaries interact with each other in 3 primary ways. The types of plate tectonic boundares are divergent, convergent and transform (conservative).
What Is the Exosphere?
The exosphere is the upper part of Earth’s atmosphere. It starts at about 500 km and gradually extends into the vacuum of outer space at about 190,000 km.