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Latest Blog Posts
08
MayWorld Migratory Bird Day
The Second Weekends of May and October are events observed twice each year as World Migratory Bird Day to focus world attention on the need to protect migratory bird populations, their habitats, and their international flyways. Through exchanges of … Continue reading →
22
AprEarth Day
April 22, Earth Day, is celebrated around the world as tens of millions of people make time to attend their environment. Thousands of governments – from local to regional to state, provincial or federal – plan awareness campaigns and activities … Continue reading →
Tag Archives: GRACE
The GRACE Twins
On March 17, 2002, NASA launched the GRACE twins, two Gravity Recovery and Climate Experiment satellites. They flew about 220 km ( 137 mi ) apart in a polar orbit at 485 km (300 mi) above Earth, measuring regional … Continue reading
Posted in On This Day
Tagged Earth gravity fields, freshwater measurement, GRACE, groundwater, March 17, On This Day, The Roberta Bondar Foundation
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