Sentences with phrase «chemical signs of life»

Shawn Domagal - Goldman, of NASA's Goddard Space Flight Center in Greenbelt, Maryland, looks for unmistakable, chemical signs of life, or biosignatures.

- Current technologies won't allow scientists to study the planet's atmosphere for chemical signs of life.

ASU astronomers will join with geophysicists and geochemists in a $ 6.1 million grant to ASU's School of Earth and Space Exploration that will try to explore how to tell whether chemical signs of life on distant planets arose from geological processes or biological ones.

Current technologies won't allow scientists to study the planet's atmosphere for chemical signs of life, but astronomers expect many more similar life - friendly planets to be discovered soon.

Not exact matches

Stress comes in the form of physical, chemical or psychological.Conscious Path — «Fear or Freedom» We will all experience fears in life, and the way to live in freedom from being controlled by fear is to see fear as a sign of growth and challenging yourself beyond your comfort zone.

After two days of frantic international diplomacy, he went live on prime - time American television to directly blame the Syrian regime for gassing children to death... But he said after some encouraging signs in recent days he had asked Congress to pause while Russia's plan to put Assad's arsenal of chemical weapons beyond use could be considered» — The Times (#)

Scientific American reported in 2009 that a joint U.S. / Swedish study looking into the effects of household contaminants discovered that children who live in homes with vinyl floors — which can emit hazardous chemicals called phthalates — are twice as likely to develop signs of autism as kids in other homes.

«What this means is that we are learning from past lessons with some of the pesticides or [genetically modified] foods that we do need to show that these materials are going to be safe all the way through their life cycle [s],» says toxicologist Raymond David of the chemical company, BASF Corporation, which also signed the letter.

But researchers generally agree that certain mixes of two or more chemicals in an exoplanet atmosphere could be a strong sign of life, Rein explains.

Thus far, Rein notes, scientists haven't been able to agree upon a single chemical — oxygen, for example — that could be a conclusive sign of extraterrestrial life.

The main argument of the Doubting Thomases has always been that the chemical signs of fossil life in Martian meteorites are really terrestrial contaminants; perhaps microbe - laden water seeped into cracks in the rocks after they landed on the Antarctic ice.

I'm confident that we'll detect signs of life on exoplanets (planets around other stars) by observing the atmospheres of the planets that we're detecting now — especially those similar to Earth in mass and orbit — and finding oxygen and other chemical signatures there.

It will also study solid and gaseous samples for other chemical signs of past or present life, such as a very high abundance ratio of methane to heavier hydrocarbons (ethane, propane, butane) and chirality (a preference for either left - handed or right - handed organic molecules).

Comparing these data across many worlds will allow scientists to better understand the origin and physics of these atmospheres, and search for chemical signs of environments suitable for life.

«If there are plumes emerging from Europa, it is significant because it means we may be able to explore that ocean for organic chemicals or even signs of life without having to drill through unknown miles of ice,» said William Sparks at the Space Telescope Science Institute in Baltimore, Maryland, which manages Hubble.