The door from the tomb of Sennedjem was found at Deir el-Medina in 1886.
The door’s importance lies in the drawings that are painted upon it. On the inner side of the door, we see a vignette, which is part of Chapter Number 17 from the Book of the Dead. Sennedjem, who is portrayed seated beside his wife under a pavilion of reed, is playing senet.
This was a popular game among the living and it could have an impact on the deceased’s welfare in the afterlife as well.
Tomb of Sennedjem (TT1). New Kingdom, 19th Dynasty, ca. 1292-1189 BC. Now in the Egyptian Museum, Cairo. JE 27303
From people and pets to pens and pencils,
everything gives off energy in the form of heat. We’ve got special instruments
that measure thermal wavelengths, so we can tell whether something is hot, cold
or in between. Hotter things emit more thermal energy; colder ones emit less.
We have special instruments in
space, zipping around Earth and measuring the hottest and coldest places on our
planet.
We can also measure much subtler changes in
heat – like when plants cool down as they take up water from the soil and
‘sweat’ it out into the air, in a process called evapotranspiration.
This lets us identify healthy,
growing crops around the world.
The instrument that can do all this
is called the Thermal Infrared Sensor 2 (TIRS-2). It just passed a series of
rigorous tests at our Goddard Space Flight Center in Greenbelt, Md., proving
it’s ready to survive in space.
TIRS-2 is bound for the Landsat 9
satellite, which will continue decades of work studying our planet from space.
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