Discussion and news about planets, exoplanets, and astrobiology
It's summer in the northern hemisphere of a small, damp, planet orbiting a middle-aged star in a spiral galaxy of matter enjoying a brief heyday before colliding with another galaxy in some 4 billion orbits of the same small, damp, planet...
It’s summer in the northern hemisphere of a small, damp, planet orbiting a middle-aged star in a spiral galaxy of matter enjoying a brief heyday before colliding with another galaxy in some 4 billion orbits of the same small, damp, planet...
Over the coming month the European Space Agency’s (ESA) Rosetta mission will fire its main engines no less than eight times to tweak its interplanetary intercept course with Comet Churyumov-Gerasimenko; eventually sidling up to the 4 kilometer wide cometary nucleus at about 7.9 meters per second in early August...
An unusual question raises an intriguing idea. At a party a few nights ago a friend approached me with a dilemma. A relative of theirs had died, and the spouse was trying to understand if it was at all possible that there was still ‘something’ of their partner in existence; a tangible part of their [...]..
The release of a long-awaited National Academy of Sciences report on the state and future of the US space program has triggered wide-reaching commentary on what it means to be space-faring...
Since quite early in the history of the discovery of planets around other stars it’s been apparent that the likelihood of certain types of planets around a star is related to the abundance of heavy elements in that system...
In about a month’s time, the European Space Agency’s (ESA) Venus Express spacecraft will adjust its orbit and dip into the outer venusian atmosphere...
Live streaming video by Ustream It doesn’t get much better than this (well, of course being in space might be better, albeit colder).
Astronomers hope that one day soon we’ll obtain a spectrum of light that might tell us whether or not an Earth-sized exoplanet harbors life.
Since the Chelyabinsk event in early 2013, when a brilliant meteor fireball streaked across Russian skies and exploded with the energy of thirty Hiroshima bombs, humans have paid slightly more attention to the potential danger of asteroids than before...
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