exoplanets

Why It Is Misleading To Compare Exoplanet Kepler-452b To Earth

NASA’s announcement of the discovery of a new extrasolar planet has been met with a lot of excitement. But the truth is that it is impossible to judge whether it is similar to Earth with the few parameters we have – it might just as well resemble Venus, or something entirely different.


This Is The Most Earth-Like Planet Ever Discovered

NASA’s Kepler Space telescope science team has just announced the discovery of the most Earth-like planet ever. Meet Kepler 452-b, the very first apparently rocky planet that definitively orbits a sun-like star in the habitable zone.


Blazing Hot Exoplanet Is Smothered In Sunscreen

Life on WASP-33b would basically be hell — the titanic exoplanet’s atmosphere ranges in temperature from a searing 6,000 to a comparatively balmy 3,000 degrees Fahrenheit. But hey, at least you wouldn’t have to bring sunblock.


Exoplanet Hunters Will Comb Starlight With Lasers

This picture shows the spectrum of light. You may have seen similar images in the past, but this one is something special — because it’s made of star light.


How Humanity's Planet Hunters Will Find Earth 2.0

Twenty years ago, discovering another Earth sounded like a science fictional dream. But within a generation, astronomers now believe we might do just that.


Earth's Oceans May Have Crash-Landed Via Ancient Asteroids

SimEarth was right about one thing. The best way to wet up a planet? Hurl a bunch of icy asteroids at it. That, at least, is one interpretation of a new study published in the Royal Astronomical Society, which supports the hypothesis that most of our planet’s water crash-landed via space rocks eons ago. And the same process could be making waterworlds all over the galaxy.


Sorry Trekkies, Tau Ceti Probably Doesn't Harbour Alien Life

The number of exoplanets that might harbour alien life grows every year. But now, astronomers now think we can check one of science fiction’s most beloved staples off the list: Tau Ceti.


We're Looking For Alien Life On Bizarre 'Eyeball Planets'

It’s easy for us Earthlings to imagine life evolving on planets like ours. But there are exoplanets out there that strain the imagination. Take “eyeball planets”, which are half frozen, half broiling with the heat of their suns. Earthlike planet Zarmina, in the Gliese system, is one of these. We shouldn’t rule these bizarre planets out from our search for life.


Ancient Exoplanet Discovery Boosts Chances Of Finding Alien Life

One of the crucial variables in calculating the likelihood that alien life exists elsewhere in our galaxy is the number of stars that possess planetary systems, and the proportion of those planets that might be suitable for life.


NASA Made These Gorgeous Travel Posters For Actual Exoplanets

As the exoplanet discoveries from Kepler keep pouring in, we’re realising just how fantastic, bizarre, and varied the planets of our universe truly are. Someday, we might see them with our own eyes. NASA’s Jet Propulsion Laboratory has created a stunning set of exoplanet travel posters that will make you wish very hard that someday is now.


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