Search results for tunguska

Mar 14, 2006

Greenhouse theory smashed by biggest stone

A new theory to explain global warming was revealed at a meeting at the University of Leicester (UK) and is being considered for publication in the journal "Science First Hand". The controversial theory has nothing to do ...

Space Exploration Jun 3, 2015

The difference between asteroids and meteorites

Asteroids, meteors, and meteorites … It might be fair to say these rocks from space inspire both wonder and fear among us Earthlings. But knowing a bit more about each of them and how they differ may eliminate some potential ...

Archaeology Sep 20, 2021

Evidence that a cosmic impact destroyed ancient city in the Jordan Valley

In the Middle Bronze Age (about 3,600 years ago or roughly 1650 BCE), the city of Tall el-Hammam was ascendant. Located on high ground in the southern Jordan Valley, northeast of the Dead Sea, the settlement in its time had ...

Space Exploration Jun 28, 2017

Are asteroids humanity's 'greatest challenge'?

Throughout its 4.5-billion-year history, Earth has been repeatedly pummelled by space rocks that have caused anything from an innocuous splash in the ocean to species annihilation.

Space Exploration Oct 13, 2021

Physicists propose a new method for defending the Earth against cosmic impacts

In February of 2013, skywatchers around the world turned their attention toward asteroid 2012 DA14, a cosmic rock about 150 feet (50 meters) in diameter that was going to fly closer to Earth than the spacecraft that bring ...

Space Exploration Jun 12, 2013

Researchers claim reexamination of rock samples confirms meteoritic origin of Tunguska cosmic body

(Phys.org) —A team of researchers with members from the U.S., Germany and Ukraine is claiming in a paper they've had published in the journal Planetary and Space Science, that they have found evidence to prove the Tunguska ...

Aug 10, 2004

Researchers say Tunguska Event was an UFO Crash: Debris of Alien Spaceship found

Members of the scientific expedition of the Siberian state foundation Tunguska Space Phenomenon have managed to uncover blocks of an extraterrestrial technical device, which crashed down on Earth on June 30th, 1908. In addition, ...

Dec 24, 2004

400-Meter Asteroid May Hit Earth on 13 April, 2029

A recently rediscovered 400-meter Near-Earth Asteroid (NEA) is predicted to pass near the Earth on 13 April 2029. The flyby distance is uncertain and an Earth impact cannot yet be ruled out. The odds of impact, presently ...

Space Exploration Oct 2, 2007

Asteroid heads for Earth, Russian astronomer claims

An asteroid discovered three years ago could be a threat in 2029 when it crosses Earth's orbit, a Russian astronomer said Monday.

Space Exploration May 20, 2020

The Tunguska explosion could have been caused by an asteroid that still orbits the sun

On a cool summer morning in 1908, a fireball appeared over northern Siberia. Eyewitnesses described a column of blue light that moved across the sky, followed by a tremendous explosion that leveled trees across more than ...

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