Sentences with phrase «harmful earth life»

The effort is also intended to prevent the introduction of harmful Earth life that could kill off any Martians, similar to how invasive species edge native organisms out of Earth's habitats.

Not exact matches

Previous research has suggested that Earth's protective magnetic field would be weaker across such periods of frequent reversal, compromising its ability to shield life from harmful solar radiation and cosmic rays.

The ozone layer protects life on Earth from the Sun's harmful ultraviolet rays.

Henrik Tschudi proposes that scientists pledge not to do research that would be harmful to life on Earth, taking into...

The ozone layer acts as Earth's sunscreen by absorbing harmful ultraviolet radiation from incoming sunlight that can cause skin cancer and damage plants, among other harmful effects to life on Earth.

That's a layer of the upper atmosphere that protects life on Earth from the sun's harmful ultraviolet rays.

Critics argue both ways: Some say cross-contamination could be harmful; others say the chance of Martian life causing trouble on Earth is a complete nonissue.

Even if such efforts succeed, they won't necessarily cause native Mars life to be swamped by microbes from Earth, Rummel said — especially if Red Planet organisms exist only underground, where they're shielded from harmful radiation.

The recovery of the damaged ozone layer which protects life on Earth from harmful solar radiation is no longer happening worldwide.

The ozone layer protects life on Earth from harmful ultraviolet solar radiation.

As many of you will know, and perhaps recall from living memory, alarm bells started ringing when pioneering research by a group of brilliant chemists (Frank Sherwood Rowland, Mario Molina and Paul Crutzen, who were jointly awarded the Nobel Prize for Chemistry in 1995) showed that chlorofluorocarbons (CFCs), a family of chemicals used in many everyday applications such as refrigeration, air conditioning and aerosols, were destroying the ozone molecules which make up the protective layer shielding Earth from the sun's harmful rays.

Without the ozone there, harmful UV rays can reach the planet's surface, posing a threat to humans and Earth's other life forms.

Article by Phil Livermore, Associate Professor of geophysics, University of Leeds and Jon Mound, Associate Professor of Geophysics, University of Leeds The Earth's magnetic field surrounds our planet like an invisible force field — protecting life from harmful solar radiation by deflecting charged particles away.

The stratospheric ozone layer, which protects the earth from harmful ultraviolet radiation, is still being chemically attacked by reactions involving long - lived chlorofluorocarbons (CFCs) banned 20 years ago.

(Note: Ozone is a good thing high up in the stratosphere, where it is naturally produced and blocks ultraviolate (UV) rays from harming life on Earth, but a bad thing in the troposphere, where it acts as main ingredient of smog and is harmful to breath and damages crops).

In the stratosphere, we find the «good» ozone that protects life on Earth from the harmful effects of the Sun's ultraviolet rays.