资讯

NASA28 天
Image of the Day - NASA Earth Observatory
The Earth Observatory shares images and stories about the environment, Earth systems, and climate that emerge from NASA research, satellite missions, and models.
NASA3月
Notes from the Field - NASA Earth Observatory
Photo courtesy of FECOP. The last time I saw the small promontory off Herradura Bay in the Gulf of Nicoya, it was 31 years ago aboard the German research vessel Victor Hensen, named after the pioneer ...
NASA5月
Notes from the Field - A Successful Traverse, by our Travelin’ Band - NASA Earth Observatory
Our team is back at South Pole Station after a highly successful 88S Traverse. We budgeted 16 to 19 days for the traverse, but we returned to station after just 15 days. Our science instrumentation ...
NASA7月
Catalog of Earth Satellite Orbits - NASA Earth Observatory
The first Lagrange point is located between the Earth and the Sun, giving satellites at this point a constant view of the Sun. The Solar and Heliospheric Observatory (SOHO), a NASA and European Space ...
NASA8月
Elegant Figures - How To Make a True-Color Landsat 8 Image - NASA Earth Observatory
Since its launch in February 2013, Landsat 8 has collected about 400 scenes of the Earth’s surface per day. Each of these scenes covers an area of about 185 by 185 kilometers (115 by 115 miles)—34,200 ...
NASA10月
Notes from the Field - NASA Earth Observatory
Hi there, Last blog post of for this field season, as Olivia mentioned in her science post, we were able to collect an important amount of high-quality data to further our knowledge of firn aquifers ...
NASA10月
Of Mosquitoes and Models: Tracking Disease by Satellite - NASA Earth Observatory
The prevention of Rift Valley fever in Kenya in 2016 was a success story decades in the making. Twenty years ago, predicting a disease outbreak seemed like the realm of science fiction.But today, ...
NASA11月
Out of the Blue and Into the Black - NASA Earth Observatory
The night side of Earth twinkles with light. The first thing to stand out is the cities. “Nothing tells us more about the spread of humans across the Earth than city lights,” asserts Chris Elvidge, a ...
NASA11月
Paleoclimatology: A Record from the Deep - NASA Earth Observatory
The most valuable fossils found in sediment cores are from tiny animals with a calcium carbonate shell, called foraminifera. One species of foraminifera lives in the icy waters of the Arctic above ...
NASA1 年
About - Kathryn Hansen - NASA Earth Observatory
Kathryn Hansen is the managing editor for NASA Earth Observatory. She has been writing stories, producing videos, and editing content for the group since 2014. Prior to joining Earth Observatory, ...
NASA1 年
Earth Observatory On This Day
The Earth Observatory shares images and stories about the environment, Earth systems, and climate that emerge from NASA research, satellite missions, and models.
NASA1 年
Why is that Forest Red and That Cloud Blue? - NASA Earth Observatory
Chances are, you have a camera near you as you read this—in the smart phone in your pocket or on the tablet or computer you’re using to view this page. Some of you might have a 35 mm film or digital ...