Group items tagged

astronauts can say they've been to space after only passing the 50-mile (80-kilometer) mark

space industry is also a somewhat arbitrary 62 miles (100 kilometers)

United States, however, has never officially adopted a set boundary standard

overflight rights of satellites and other orbiting bodies

NASA's mission control uses 76 miles (122 kilometers) as their re-entry altitude

shuttle switches from steering with thrusters to maneuvering with air surfaces

13 million miles (21 million kilometers)

the boundary where Earth's gravity is no longer dominant

Supra-Thermal Ion Imager

tracking the relatively gentle winds of Earth's atmosphere and the more violent flows of charged particles in space

difficult to make measurements in this region, which is too high for balloons and too low for satellites

second time that direct measurements of charged particle flows have been made in this region

first time all the ingredients – such as the upper atmospheric winds – have been included

David Knudsen of the University of Calgary

carried by the JOULE-II rocket on Jan. 19, 2007

an altitude of about 124 miles (200 kilometers) above sea level and collected data for the five minutes it was moving through the "edge of space."

Journal of Geophysical Research on April 7

space weather and its impacts on Earth

calculate energy flows into the Earth's atmosphere that ultimately may be able to help us understand the interaction between space and our environment

link between sunspots and the warming and cooling of the Earth's climate

how space weather impacts satellites, communications, navigation, and power systems