Search results for 99942 apophis

Space Exploration Nov 17, 2015

Observing distinctive geologic features on asteroid Toutatis

(Phys.org)—Asteroid (4179) Toutatis, an Apollo-type near-Earth object (NEO) was thoroughly studied by Chinese Chang'e-2 spacecraft in 2012, when the space rock flew by Earth at a distance of 18 lunar distances. The probe, ...

Space Exploration Sep 10, 2015

What are asteroids?

4.6 billion years ago, our solar system formed from a collection of gas and dust surrounding our nascent sun. While much of the gas and dust in this protoplanetary disk coalesced to form the planets, some of the debris was ...

Space Exploration Feb 12, 2015

The number of asteroids we could visit and explore has just doubled

There's a famous line from Shakespeare's Hamlet that says "There are more things in heaven and Earth, Horatio, than are dreamt of in your philosophy," and the same now holds true for brave new worlds for humans to explore.

Space Exploration Oct 30, 2014

Asteroid Apophis could experience landslides when it passes near Earth

(Phys.org) —A team of space scientists with members from the U.S., China and France has found via computer modeling that an asteroid due to pass close to Earth in 2029 is likely to experience minor landslides. In their ...

Space Exploration Jan 9, 2013

Herschel intercepts asteroid Apophis

(Phys.org)—ESA's Herschel space observatory made new observations of asteroid Apophis as it approached Earth this weekend. The data shows the asteroid to be bigger than first estimated, and less reflective.

Space Exploration Jan 6, 2013

Celestial flybys set to thrill

Astronomers are gearing up for thrills this year when Earth gets buzzed by two rogue asteroids and two comets, including a wanderer last seen by the forerunners of mankind.

Space Exploration Apr 10, 2012

Satellite beacon mission suggested for asteroid Apophis

According to a Russian news story, a report just released by the Russian Academy of Sciences suggests sending a satellite with a radio beacon to asteroid 99942 Apophis for better determining its trajectory and finding out ...

Space Exploration Aug 15, 2011

Impact mitigation

The save-the-Earth rehearsal mission Don Quijote, commissioned by the European Space Agency, is planned to test the potential of a real life-or-death mission to deflect a mass-extinction-inducing asteroid from a collision ...

Apr 3, 2006

Asteroids: Treasures of the past and a threat to the future

If a large asteroid such as the recently identified 2004 VD17 – about 500 m in diameter with a mass of nearly 1000 million tonnes - collides with the Earth it could spell disaster for much of our planet. As part of ESA's ...

Aug 16, 2005

Look out: Asteroid's near-miss may be home run for scientists

A University of Michigan-led research team has discovered that for the first time in history, scientists will be able to observe how the Earth's gravity will disrupt a massive asteroid's spin.

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