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Search results for planetesimals

Astronomy Oct 3, 2011

Most complex ground-based observatory - ALMA - opens its eyes

(Âé¶¹ÒùÔºOrg.com) -- Humanity's most complex ground-based astronomy observatory, the Atacama Large Millimeter/submillimeter Array (ALMA), has officially opened for astronomers. The first released image, from a telescope still ...

Astronomy Sep 22, 2011

Computer simulation shows Solar System once had an extra planet

(Âé¶¹ÒùÔºOrg.com) -- A new study published on arXiv.org shows that, based on computer simulations, Jupiter, Saturn, Uranus and Neptune may not have been the only gas giants in our solar system. According to David Nesvorny from ...

Astronomy Sep 16, 2011

Rocky planets could have been born as gas giants

When NASA announced the discovery of over 1,200 new potential planets spotted by the Kepler Space Telescope, almost a quarter of them were thought to be Super-Earths. Now, new research suggests that these massive rocky planets ...

Space Exploration Jul 22, 2011

Venture to the last protoplanet

(Âé¶¹ÒùÔºOrg.com) -- Max Planck scientists have front row seats in the exploration of the asteroid with two onboard cameras. The aim is to travel back in time to the origins of the solar system.

Space Exploration Jul 11, 2011

3552 Don Quixote... leaving our solar system?

“Tell me thy company, and I’ll tell thee what thou art…” In this case it is Asteroid 3552 Don Quixote – one of the most well-known of Near Earth Asteroids. You may know its name, but did you know ...

Astronomy Jun 20, 2011

Exomoons could be excellent incubators

With the arrival of the Cassini–Huygens mission in 2004 to Saturn’s satellite Titan, we terrestrials became acutely aware that similar moons could be orbiting similarly large planets in other solar systems besides ...

Astronomy Jun 6, 2011

Study shows proportionally large moons around other planets not as rare as thought

(Âé¶¹ÒùÔºOrg.com) -- Working with computer simulations to recreate what scientists believe to be the conditions that led to the formation of Earth’s moon, which up to now has been considered quite large, a team of researchers ...

Astronomy Apr 11, 2011

Our unlikely solar system

Recent modeling of solar mass stars with planetary systems, found that a system with four rocky planets and four gas giants in stable orbits – and only a sparsely populated outer belt of planetesimals – has only ...

Space Exploration Apr 8, 2011

Cold asteroids may have a soft heart

A new analysis of one of the most well-known meteorites on Earth provides strong evidence that the prevailing view of many asteroids is wrong. Rather than randomly mixed blobs of rock and dust stuck together, it appears that ...

Astronomy Feb 4, 2011

Water vapor in space

(Âé¶¹ÒùÔºOrg.com) -- Water is a critical molecule for human life, and, because it is abundant in the interstellar medium, it also plays an important role in the life of molecular clouds and the stars and planets that form in ...

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