波

寄せる歳

しみじみ感じる

農作業　　ひろいき

先日あった，農道の草払い。

手を折っている、ヨジョン様の代わりに俺が行く。

若い人はいいなぁ。

あんなに動けて。

俺の刈った後はすぐわかる。

刈り跡が違う。

いかにも雑。

果たして、役に立っているのであろうか？

お茶の後、刈り払機のアクセルがきかなくなり、帰る。

ヨジョン様に、おそるおそる言う。

「どがんすっとか、兄ちゃんも盆にはツコウテェ」

刈ばらいきは、お母さんの形見。

いわば借りものだ。

が、そういうことしか言えないのかと思う。

コメント 1

Crayfish help nasa explore cosmos from Earth

One of the most ambitious mission ever to land on the surface of Mars may have been launched in 1998, more than four years after its proposed lander was tested and successfully completed. NASA's Mars Exploration Rover Opportunity, named after the Latin word for "water," has been orbiting the Red Planet for 20 months and has returned valuable scientific information about how conditions on the Red Planet influenced its formation and evolution, as well as information on the life that may have been on Mars long before it became habitable. Now, scientists studying the rover's data report they have discovered that the planet was "breathable" at its lowest temperatures since Mars' surface reached its freezing point.

Researchers from Washington University in St. Louis, Missouri and NASA's Jet Propulsion Laboratory, Pasadena, California, and the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts, made the observations with the mission's rovers, Curiosity and Opportunity. They examined data from the instruments on the rover's Curiosity arm using the High Resolution Imaging Science Experiment camera on the Mars Reconnaissance Orbiter to look for clues about past climate conditions on the planet.

"Water is everywhere on Mars, but very little of it is in the rocks," said David Anderson, principal investigator for the mission at Mars Exploration Rover Context at NASA's Jet Propulsion Laboratory, Pasadena. "The Curiosity rover has been able to reveal a lot about what was and what may have been in Gale Crater during the ancient time of Mars," he said.

While most scientists assume that Mars once had rivers running from sea to land, there was no evidence of any such river on Mars' surface prior to 4.6 billion years ago when the planet was formed. Instead, the team discovered evidence of water flowing along the surface from glaciers formed as water flowed from below the planet's surface in liquid water to the surface.

"The reason why this is the case and why there is so much evidence for water is that the temperature of Mars is about the same as what you get on Earth when water ice evaporates," said Anderson. "A lot of this evaporating water can be seen around the Gale Crater, where the ice lake is located and where Mars was formed and is continuing to form today."

The data collected by the rover and scientists used the High Resolution Imaging Science Experiment camera on Opportunity to capture images, either at night or during daylight, of Gale Crater.

The rovers had been in the area since February, making these observations because Opportunity and Curiosity had been using the same camera to observe the surface in the daytime, which allowed them to use images from all angles and for the exact same images. Both rovers took their images within the same area in a wide variety of angles
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by Zacharydep (2020-07-16 06:42)