Glacial melt prompts brief Mount Rainier geologic alarm
Glacial melt on Mount Rainier caused a two foot rise in the Nisqually River and a brief debris flow that closed Paradise Highway for hours. Geologists ruled out a true glacial outburst and attributed the event to excess meltwater from the Kautz glacier amid hot weather. No earthquakes were detected and Paradise Highway reopened by morning. scientists expect possible small rises in the coming days. Mount Rainier stands 14,410 feet and last erupted in the 1840s.
MENTIONED IN THIS ARTICLE
Mount Rainier
Nisqually
Washington
Nisqually River
Ed Klimasauskas
Volcanic Observatory
Vancouver
Wash
Kautz
Klimasauskas
van Trump
Park
Tacoma
Rainier
Paradise Highway
United States
Earthlike system around Big Dipper star hints at habitable zone
Astronomers report two gas giants orbiting 47 Ursae Majoris in nearly circular paths, suggesting a clear inner region that could host Earth-like planets. Scientist Debra Fischer notes this system most closely resembles our own, with potential habitable zones despite the distant gas giants.
MENTIONED IN THIS ARTICLE
Debra Fischer
University of California At Berkeley
Mars
Jupiter
Fischer
Earth
Researcher revives mars-sized impact moon theory
The study argues the moon formed from debris after a Mars-mass asteroid struck Earth off-center, reviving a mid-1970s idea. Canup and Asphaug contend a smaller, off-center impact suffices, avoiding the need for a second large collision and challenging prior theories of a giant single impact or co-formation.
MENTIONED IN THIS ARTICLE
Moon
Earth
Mars
Robin Camp
Canup
Southwest Research Institute
Boulder
Colo
Erik Asphaug
University of California, Santa Cruz
Nature
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