[DOC] [TLE] Earth's Twin - Universe Today [PAR] Scientists call Venus Earth's twin planet and for good reason. Our two planets are 
similar in size, mass, density, gravity, and composition. ... Because Venus doesn't 
have a global magnetic field, it's constantly pummeled by the Sun's solar wind, 
which strips the lightest elements out ... Venus is often called Earth's twin planet. [DOC] [TLE] Why is Venus sometimes called Earth's twin? - Cool Cosmos [PAR] Venus is sometimes called Earth's twin because Venus and Earth are almost the same size, have about the same mass (they weigh about the same), and have a very similar composition (are made of the same material). They are also neighboring planets. However, Venus and Earth are also very different. [DOC] [TLE] NASA Finds Closest Earth Twin Yet in Haul of 500 Alien Planets [PAR] Jul 23, 2015 ... It may not be Earth's exact twin, but it's a pretty close cousin. ... spotted the most 
Earth-like alien planet yet discovered  a world called Kepler-452b ... "We haven
't found it yet, but every step is important because it shows ... to identify and 
characterize Earth-size planets in the habitable zones of nearby stars. [DOC] [TLE] Kepler Finds 1st Earth-Size Planet In 'Habitable Zone' of Another ... [PAR] NASA's Kepler Discovers First Earth-Size Planet In The 'Habitable Zone' of ... 
Although the size of Kepler-186f is known, its mass and composition are not. .... ("
TIE" stands for "Twin Ion Engines") on spacecraft like Dawn, currently orbiting the 
... Saturn's moon Mimas has become known as the "Death Star" moon because of
... [DOC] [TLE] The Earth-Twin Planet That Nobody Talks About - Out There [PAR] Sep 30, 2015 ... It is almost the exact same age as our planet, and gets its warmth from an 
identical star. ... most Earthlike exoplanet known: the best place yet to search for 
alien life. ... they could judge how likely it is that Earth-size planets around other 
... Venus is the true sister world to Earth, not like the small planet Mars. [DOC] [TLE] Venus: Earth's Evil Twin? - Bob the Alien's Tour of the Solar System [PAR] Venus is the nearest planet to Earth and is almost the same size. ... It is only 
because exploration of the planet has allowed us to uncover its secrets. ... which 
totally covers the planet, the levels of pressure on the surface which would feel 
similar to being ... It is known that the planet's present surface was formed by 
volcanoes. [DOC] [TLE] Which planet is Earth's twin? | Yahoo Answers [PAR] Mar 4, 2010 ... The first one, Venus, is called Earth's twin because of its similar size, and how it is 
the closest planet to Earth. But, scientists discovered that... [DOC] [TLE] Twisted Sister: Twin Planets Earth and Venus Were "Separated at ... [PAR] Nov 29, 2007 ... Venus is similar in size and chemical makeup when compared with ... the second 
planet from the sun is nothing like Earthfrom its torrid surface to the ... Because 
of the extreme heat, water is only present in its atmosphere, so there are ... a 
stable isotope of the element called deuterium, which consists of a... [DOC] [TLE] Why is Venus called Earth's "sister planet"? | Socratic [PAR] Feb 29, 2016 ... Venus is often called Earth's "sister planet" or "twin" because of 3 major 
similarities: Size Mass, i.e. ... Size Earth's diameter is "12756.2 km", and Venus's 
is "12103.6 km". ... How are the inner planets and outer planets similar? [DOC] [TLE] Earth-like exoplanet: Why we are obsessed with finding our planet's ... [PAR] Dec 10, 2014 ... Obsessed With Finding Earth's Twin ... Searching for Earth-like planets. ... On 
each page, I had drawn a made-up planet and listed its salient ... Costco-size 
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Question: Because of its similar size, this planet is known as Earth's "twin"
Answer: Venus