Tag Archives: THEMIS

THEMIS: Crater sands in false color

THEMIS Image of the Day, December 22, 2017. This is a false color image of Rabe Crater. In this combination of filters “blue” typically means basaltic sand. The THEMIS VIS camera contains 5 filters. The data from different filters can … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

THEMIS: Long swath across Rabe Crater in false color

THEMIS Image of the Day, December 21, 2017. This is a false color image of Rabe Crater. In this combination of filters “blue” typically means basaltic sand. This VIS image crosses the entire crater and demonstrates how extensive the dunes … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

THEMIS: Rabe Crater’s pit in false color

THEMIS Image of the Day, December 20, 2017. This is a false color image of Rabe Crater. In this combination of filters “blue” typically means basaltic sand. The THEMIS VIS camera contains 5 filters. The data from different filters can … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

THEMIS: Rabe Crater dunes in false color

THEMIS Image of the Day, December 19, 2017. This is a false color image of Rabe Crater. In this combination of filters “blue” typically means basaltic sand. The THEMIS VIS camera contains 5 filters. The data from different filters can … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

THEMIS: Sand sheet in Rabe Crater

THEMIS Image of the Day, December 18, 2017. The majority of the dune field in Rabe Crater consists of a sand sheet with dune forms on the surface. The sand sheet is where a thick layer of sand has been … Continue reading

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Landscapes control winds, dunes in Rabe Crater

THEMIS Image of the Day, December 15, 2017. This VIS image provides another instance where the topography of the upper floor material affects the winds and dune formation. At the edges of the dune field, the dunes become smaller and … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

THEMIS: Cascading dunes in Rabe Crater

THEMIS Image of the Day, December 14, 2017. This VIS image of Rabe Crater is dominated by the extensive dunes that cover the crater floor. To the top of the image part of the pit is visible, as well as … Continue reading

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Sand sea in Rabe Crater

THEMIS Image of the Day, December 13, 2017. Dunes cover the majority of this image of Rabe Crater. As the dunes are created by wind action the forms of the dunes record the wind direction. Dunes will have a long … Continue reading

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Edge of the pit in Rabe Crater

THEMIS Image of the Day, December 12, 2017. In this VIS image of the floor of Rabe Crater the step down into the pit is visible in the sinuous ridges on the left side of the image. The appearance of … Continue reading

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Dunes swirl in Rabe Crater

THEMIS Image of the Day, December 11, 2017. Rabe Crater is 108 km (67 miles) across. Craters of similar size often have flat floors. Rabe Crater has some areas of flat floor, but also has a large complex pit occupying … Continue reading

Posted in Reports | Tagged , , , , , , , , , , | Comments Off