radar

Canadian radar satellites to help Ukraine fight off Russian invasion

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A Canadian aerospace company is doing its part to help Ukraine fight off the Russian invasion. The Canadian government has granted MDA permission to collect satellite imagery of restricted areas of Ukraine using synthetic aperture radar (SAR), the Ontario-based company announced on Tuesday (March 8). “Images captured by MDA’s SAR technology, which is unique for … Read more

News at a glance: Welcoming STEM students, a silent radar satellite, and China’s gene-edited crops | Science

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GEOSCIENCE Orbiting radar mapper goes dark The head of the European Space Agency said last week the agency may accelerate the launch of its next Earth-observing radar satellite, after a power supply anomaly caused one of its two orbiting radar satellites, Sentinel-1B, to go dark for more than 1 month. Since its launch in 2016, … Read more

Mysterious Signal of Hidden Lakes on Mars May Not Be What We Thought

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The likelihood of lakes of liquid water hidden under Mars‘ southern polar ice cap is receding before our very eyes. Last year, a paper found that temperatures were likely far too cold for water to remain unfrozen in the region. Now, a new study has found that the radar signal interpreted as liquid water was … Read more

Mars water: Spots at south pole thought to be lakes could be volcanic rock

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Radar images of Mars’s southern ice cap indicated that there could be a lake there – but a new set of simulations hints that it could be volcanic rock instead Space 24 January 2022 By Leah Crane The icy cap over Mars’s south pole, photographed by Mars Express ESA/DLR/FU Berlin / Bill Dunford There may … Read more