Search results
Results from the WOW.Com Content Network
978-0387952895. Rare Earth: Why Complex Life Is Uncommon in the Universe is a 2000 popular science book about xenobiology by Peter Ward, a geologist and evolutionary biologist, and Donald E. Brownlee, a cosmologist and astrobiologist. The book is the origin of the term ' Rare Earth Hypothesis ' which denotes the central claim of the book: that ...
The Purple Earth Hypothesis (PEH) is an astrobiological hypothesis, first proposed by molecular biologist Shiladitya DasSarma in 2007, [1] that the earliest photosynthetic life forms of Early Earth were based on the simpler molecule retinal rather than the more complex porphyrin -based chlorophyll, making the surface biosphere appear purplish ...
Eight copies of Audubon's The Birds of America have sold for more than $1 million. This is a list of printed books, manuscripts, letters, music scores, comic books, maps and other documents which have sold for more than US$1 million. The dates of composition of the books range from the 7th-century Quran leaf palimpsest and the early 8th-century ...
Rather than a traditional awards-show saunter down the aisle, Prince was led to the stage in bulldozer fashion by one of those same bodyguards — the 6’8” Chick Huntsberry, who also appears ...
Lydia of Thyatira is most known as a "seller" or merchant of purple cloth, which is the likely reason for the Catholic Church naming her "patroness of dyers." It is unclear as to if Lydia simply dealt in the trade of purple dye or whether her business included textiles as well, [7] though all known icons of the saint depict her with some form ...
According to author and scientist David Brin: "it turns out that our Earth skates the very inner edge of our sun's continuously habitable—or 'Goldilocks'—zone. And Earth may be anomalous. It may be that because we are so close to our sun, we have an anomalously oxygen-rich atmosphere, and we have anomalously little ocean for a water world.
Fluttershy has a great love and care for animals and is willing to help them at any cost. Although she is a pegasus, she prefers the ground to the sky. She fell from the sky when Rainbow Dash challenged her bullies to a race, and she came to know of the animals living on the ground, thus marking her beginning as the animal caretaker.
Porphyry (geology) Porphyry ( / ˈpɔːrfəri / POR-fə-ree) is any of various granites or igneous rocks with coarse-grained crystals such as feldspar or quartz dispersed in a fine-grained silicate -rich, generally aphanitic matrix or groundmass. In its non-geologic, traditional use, the term porphyry usually refers to the purple-red form of ...