Earth
Grab Your Smartphone And Become A Citizen Scientist For NASA
NASA's new GLOBE Observer app allows users to observe the sky in their location and share the data with NASA.
What are the Planets of the Solar System?
The eight planets of the Solar System are a diverse and interesting bunch, ranging from airless and habitable terrestrial bodies…
What is Earth’s Axial Tilt?
In both the course of a year, and over the course of millennia, Earth experiences variations due to the fact…
How Far is Mars from the Sun?
Mars is not only further from the Sun than Earth, but has an eccentric orbit that leads to a great…
The Moon Is A Real Attention Junkie
The EPIC camera on-board NASA's Deep Space Climate Observatory (DSCOVR) has captured images of the Moon passing in front of…
Why Does the Sun Rise in the East (and Set in the West)?
Since time immemorial, humans have known that the Sun will rise in the east and set in the west. But…
What are the Different Masses of the Planets?
The planets of our Solar System differ considerably when it comes to their respective masses, even more so than their…
Huge Plasma Tsunamis Hitting Earth Explains Third Van Allen Belt
A transient third Van Allen belt was first observed in 2013, and new research explains how it was formed.
What Are The Diameters of the Planets?
The planets of our Solar System vary considerably, with some being a fraction of Earth's diameter, and others many times…