phosphorous (image of box/arrow diagrams of electron configurations). 1s2 2s2 2p3 v. 1s2 2s2 2p6 3s2 3p3 - phosphorous has vacant 3d orbitals that can be used in bonding - 'expanded valence shell ...

Escape velocity, Motion of a Satellite, Orbital velocity of a satellite ... and uniformly charged thin spherical shell. Electric potential and its calculation for a point charge, electric dipole ...

President Trump’s blueprints to build a space-based missile defense shield could help him push for cuts in atomic weapons arsenals with Russia and other nuclear powers.

On February 4, 1995, astronauts aboard the space shuttle Discovery launched an itty bitty satellite called an Orbital Debris ...

Space infrastructure company Loft Orbital has raised $170 million in Series C funding co-led by Tikehau Capital and Axial Partners. Notably, the amount of the Series C financing is greater than ...

The rivalry between the world's two richest men is going cosmic. After Jeff Bezos's Blue Origin nailed its first-ever orbital flight, Elon Musk's SpaceX is seizing back the spotlight on Thursday ...

The first test flight of Blue Origin’s huge New Glenn rocket could have major implications for long-term economics of the space industry, say experts. Back To Top ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Nearly a quarter ...

Chilean astronomers have observed a cataclysmic variable known as V1425 Aql. As a result, they have found that this system ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram, “No one in the long history of mathematics ever became better known ...