Astronomy
Milankovitch Cycle
Milankovitch cycles. Source: UCAR A Milankovitch cycle is a cyclical movement related to the Earth's orbit around the Sun. There…
News Story on Neil Armstrong Slips on an Onion
Two newspapers in Bangladesh have issued a retraction after publishing an article taken from the popular but satirical website…
Future Friday: Orbital Megastructures
[/caption] The International Space Station is big. About the size of American football field, it has an acre of solar…
White Dwarf “Close” to Exploding as Supernova
ESA’s XMM-Newton orbiting X-ray telescope has uncovered the first close-up of a white dwarf star that could explode into a…
Andromeda Galaxy Eating the Neighborhood
[/caption] From Earth, the Andromeda Galaxy looks like a calm, bright galaxy, and is visible with the naked eye in…
What Planets Are Visible Tonight?
Are you interested in knowing what planets are visible tonight? Almost every night of the year, some planet in our…
LRO Sees Bouncing, Rolling Boulders on the Moon
[/caption] Think nothing ever happens on the Moon? New images from the Lunar Reconnaissance Orbiter Camera shows spectacular views of…
Watch Saturn’s Rings Disappear (Video)
On September 4, 2009, Earth's orbital motion will carry it through the same plane as Saturn's rings. From our vantage…
Is The Milky Way Doomed By Galactic Bombardment?
[/caption] As scientists attempt to learn more about how galaxies evolve, an open question has been whether collisions with our…
What are Divergent Boundaries?
Divergent boundaries are one of the bi-products of plate tectonics. As the name implies, divergent boundaries are formed when two…