Tag Archives: Earth
4.4 billion-year-old Zircon is oldest piece of Earth
This zircon, which is about twice the width of a human hair,is now confirmed to be the oldest bit of the Earth’s crustever discovered. It was found in the Jack Hills region of Australia.(Courtesy John W. Valley/University of Wisconsin-Madison) Crystal’s … Continue reading
Life on Earth likely started 4.1 billion years ago, much earlier than scientists thought
Carbon in 4.1 billion year old zircon. Geochemists have found probable evidence for life on Earth at least 4.1 billion years ago — 300 million years earlier than previously documented, pushing the origin of life close to when the planet … Continue reading
Life on Earth likely started 4.1 billion years ago — much earlier than scientists thought
UCLA geochemists have found evidence that life likely existed on Earth at least 4.1 billion years ago — 300 million years earlier than previous research suggested. The discovery indicates that life may have begun shortly after the planet formed 4.54 … Continue reading
Dates for cataclysms on early moon, Earth questioned
A study of zircons from a gigantic meteorite impact in South Africa casts doubt on the methods used to date lunar impacts. Paleontology News — ScienceDaily
Google e Apple celebrano Earth Day
PAnche i colossi del web celebrano l’Earth Day, la giornata della Terra che cade il 22 aprile. Google ha creato un ‘doodle’ ad hoc mentre Apple ha illuminato la foglia verde della sua celebre Mela./PPUn colibr
Because the Earth is a habitable planet
IMG title=”” alt=”” src=”http://www.mineralfossil.com/wp-content/uploads/2014/03/wpid-40ad82025475801c1c243ffd229ca2282.jpg”IMG class=”hide” alt=”Perch
Asteroid to make close call with Earth
IMG title=”” alt=”” src=”http://www.mineralfossil.com/wp-content/uploads/2014/03/wpid-14a1dcdc8b0dfa025cbbf6003535896c2.jpg” IMG class=hide alt=”Asteroid to make close call with Earth” src=”http://www.mineralfossil.com/wp-content/uploads/2014/03/wpid-14a1dcdc8b0dfa025cbbf6003535896c2.jpg” (ANSA) – Rome, March 5 – An asteroid is set to whiz by planet Earth on Wednesday in one of the closest asteroid passages of the … Continue reading
Imitator of distant Earth two 3,000 light years
(ANSAmed) – Rome, April 19 – the milky way there are two ‘lookalike’ of the Earth and could host liquid water. They are always caught more Earth-like planets, and the first of this size is in the so-called habitable zone, … Continue reading