Sentences with phrase «radar observations by»

• Radar observations by the giant Arecibo telescope in Puerto Rico allow NEA trajectories — and impact probabilities — to be determined most precisely, but uncertain funding threatens this capability.

Radar observations by the U.S. Air Force and by amateur hobbyists revealed that after each commercial satellite was deployed, an additional small object flew far away from the jettisoned rocket booster, only to later turn around and fly back.

Not exact matches

The Deep Space Network, managed by JPL, is an international network of antennas that supports interplanetary spacecraft missions and radio and radar astronomy observations for the exploration of the solar system and the universe.

From the Tongan island's beginning, it was tracked by monthly, high - resolution satellite observations, both with optical sensors and radar, which sees through clouds.

By comparing the repeat - pass radar observations, scientists hope to measure any crustal deformations that may occur between observations, allowing them to «see» the amount of strain building up on fault lines, and giving them a clearer picture of which faults are active and at what rates they're moving, both before earthquakes and after them.

Based on field observations, seismic shaking data, GPS measurements, and radar imagery from satellites, Hamling and his colleagues found that surface ruptures in the New Zealand quake were widely separated — in one case by more than 15 kilometers.

Over the three months that followed the initial detection, the technique was able to obtain radar echoes from Chandrayaan - 1 seven more times, including during follow - up observations made by the powerful Arecibo Observatory in Puerto Rico.

Radar observations find that about 80 percent of the surface is covered by lava flows with a few Australia - size uplands of two to five km (1.2 to 3.1 miles) high, and there are large shield volcanoes that rise above the plains as high as 11 km (6.8 miles)-- higher than Mount Everest's eight km (five miles) above Earth sea - level.

Subtle dynamical motions measured by Earth - based radar, the observed parameters of its gravity field, and observations of the magnetic field indicate that Mercury's core is at least partially liquid with an active core dynamo.

«Validation of GMI Snowfall Observations by Using a Combination of Weather Radar and Surface Measurements.»

Satellites track Antarctic ice loss over decades02 May 2017 Over two decades of observations by five radar satellites show the acceleration of ice loss of 30 glaciers in Western Palmer Land in the southwest Antarctic Peninsula.

The team used radar observations captured by the European Earth Remote Sensing (ERS - 1 and -2) satellites to measure just how far the grounding line - the point where the glacier meets the land - had retreated.

Montreal About Blog One of the first Canadian music blogs — co-founded by Giller Award - winning author Sean Michaels — is going strong, providing poetic observations and commentary on Canadian indie music that would normally fly under the radar.