Looks like the inner planets formed *after* the gas giants moved to their current position, and Jupiter ejected a fifth giant, too! “The stars look the same from night to […]
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Is it possible that our problems indicate a flaw in the theory of gravity? “I soon became convinced… that all the theorizing would be empty brain exercise and therefore a […]
On March 4th at 19:30:15 Universal Time, Venus and Uranus will pass within 0.1° of each other. Here’s how to see it. “Since you cannot do good to all, you […]
We know that Einstein’s general relativity is superior to Newton’s gravity, but where did Newton go wrong? “To me there has never been a higher source of earthly honor or […]
Now that New Horizons has flown by the Plutonian system, can it be considered a planet after all? “Words are the source of misunderstandings.” –Antoine de Saint-Exupéry Back in 1930, […]
Saw “Solar System Questions” by xkcd? Here’s what science thinks it knows. “Put two ships in the open sea, without wind or tide, and, at last, they will come together. […]
A series of mysterious white features lurk at the bottom of one of its most massive craters. Here’s what they could be, and how we’ll find out! “One of the […]
Before you tout the next exoplanet as “the most Earth-like ever,” ask whether that’s true, and whether that’s even a good thing. “You can spend too much time wondering which […]
Another world orbits the Sun once a year at the same distance as our planet. “The moon was like this awesome, romantic, mysterious thing, hanging up there in the sky […]
Originating out beyond Neptune, thousands of world originate. Who’s the largest? It’s not who you expect, Pluto-lovers! “It is not when truth is dirty, but when it is shallow, that […]
How the Solar Eclipse of 1919 changed our understanding of the Universe forever. “Oh leave the Wise our measures to collate. One thing at least is certain, light has weight. One […]
A forgotten almost-hero of the 19th century still has something to teach about science… and style. “There is nothing more contemptible than a bald man who pretends to have hair.” –Martial […]
The New Horizons spacecraft, which launched in 2006, will be the first man-made object to pass by and collect information on Pluto when it arrives at the dwarf planet on July 14, 2015.
Our love of the one-time ninth planet holds the key to our drive for venturing out into the Universe. “I have announced this star as a comet, but since it […]
Seven out-of-this world tastes for the seven other planets in our Solar System. “I’ve learned what ‘classical’ means. It means something that sings and dances through sheer joy of existence.” –Gustav […]
All you need are clear skies, a telescope, and a plan. Make it a great one. “For my confirmation, I didn’t get a watch and my first pair of long […]
NASA recently announced a cool discovery: asteroids can have rings! Luckily, the one that revealed this is not headed for us. The asteroid 10199 Chariklo, orbiting the sun between Saturn […]
From asteroids to planets to stars and more, doubling what you’ve got can be disastrous! “Art has a double face, of expression and illusion, just like science has a double […]
What shape does the Sun trace out at the same time of day throughout the year? “Life is tragic simply because the earth turns and the sun inexorably rises and sets, […]
Gravity is a hard force to overcome, but some worlds get an unlikely assist that makes it all too easy. “Some prophecies are self-fulfillingBut I’ve had to work for all of […]
The physics of accurately knowing just how much time has passed. “While friendship itself has an air of eternity about it, seeming to transcend all natural limits, there is hardly any […]
Peeking out through the galaxy’s dust, this ancient relic has plenty to offer if you know where to look! “When someone demands blind obedience, you’d be a fool not to peek.”–Jim […]
Plus a bonus: perhaps the single most important achievement to all of humanity. “What was most significant about the lunar voyage was not that men set foot on the Moon, […]
Although the exoplanets themselves may have a high proportion of rock, the atmospheric layer is so deep, hot, and hydrogen-rich that they may never become Earth-like.
Thirty-five years after their launch, the two Voyager deep space probes are about to enter interstellar space, while still transmitting data back to Earth.
With the help of NASA's Kepler long-range scanning mission, scientists have located a solar system in which two planets are orbiting around two suns, confirming that multiple-planet "circumbinary systems" exist.
If humans hope to achieve long-distance space travel, a fusion powered space craft currently holds the most promise. Adam Crowl of Project Icarus says we may source its fuel from Uranus.
The fabled planetary alignment predicted to occur in 2012 is actually happening right now. Is this a sign of the Apocalypse, or just eye candy for stargazers?
According to the Voyager Interstellar Mission Web site, on June 28th of this year, Voyager 2 completed 12,000 days of continuous operation since its launch on August 20th, 1977. Each […]
n … then “Jupiter would be revoking democracy in Russia, Saturn would be curling in Canada, Uranus would be trying to figure out how to speak Kalaallisut, Neptune would be […]