Sunday, 19 August, 2018

July 2018 - Liquid water lake discovered on Mars - News - SHOWCASE - Tech

'Opposition' to bring Mars closest to Earth Friday Astronomical events set to light up the night sky
Frank Williams | 01 August, 2018, 14:05

Hubble shot the second portrait, of the planet Mars, on 18 July, just 13 days before Mars reached its closest approach to Earth. In 1877, Italian astronomer Giovanni Schiaparelli claimed to have seen canals on Mars, suggesting there could be possible civilization, or Martians, on the red planet.

The claim has sent scientists and media into a spin, some claiming this is a definite sign of life on Mars, others urging caution. As our mother Earth faces a declining natural environment, people must especially consider its future, and immigration to outer space would be one available choice. The results that came back were best matched to "water-bearing materials", Robinson said. Strong basal echoes have been reported in an area close to the thickest part of the South Polar Layered Deposits (SPLD), Mars' southern ice cap.

But the climate has changed significantly over the course of the planet's 4.6 billion year history and liquid water can not exist on the surface today, so scientists are looking underground.

The planets were photographed near opposition, when the Sun, Earth and an outer planet are lined up, with Earth sitting in between the Sun and the outer planet.

The two planets will be just 57.6 million km apart on July 31, while Mars will appear brightest on July 27-30, making it easier to be seen with the telescope or the naked eye.

Google Pixel 3 XL leaks again, this time in white
On the all-glass back, we've got the fingerprint sensor and the single-lens camera setup we expect for the Pixel 3 XL phone. Just like the iPhone X, the next Google Pixel phone will boast a controversial notch at the top of the elongated screen.

Two of the biggest questions now are how extensive this subsurface water system is, and whether it contains the organic matter necessary to support life.

"This subsurface anomaly on Mars has radar properties matching water or water-rich sediments", says Roberto Orosei, principal investigator of the MARSIS experiment and lead author of the paper published in the journal Science today.

From Earth, the "king star" and the "red planet" will appear in the celestial vault at opposite ends. Northeastern can help with that, too. The probe, built by the German Aerospace Center (DLR), will provide crucial data on how much heat escapes the planet and where liquid water could exist near its surface.

The design will be helpful even if the Martian water is closer to the surface than anticipated. Water is essential to life as we know it, and scientists have long sought to prove that the liquid is present on Mars.

"Caution needs to be exercised, however, as the concentration of salts needed to keep the water liquid could be fatal for any microbial life similar to Earth's", added Watson, who was not involved in the research.

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