Satellites and space missions

0dealing with space debris preventing chain reaction

Dealing with space debris, preventing chain reaction

During April 18 - 21, experts from around the world will meet at ESA’s European Space Operations Centre, Darmstadt, Germany for the 7th European Conference on Space Debris discussing the extent of the space debris problem and what can be done to ensure that...

April 11, 2017

seasonal asymmetry birkeland currents

Birkeland currents stronger in the northern hemisphere, vary with the season

ESA’s Swarm mission has discovered that this seasonal variation of Birkeland currents, strong electric currents in the upper atmosphere, is not the same in the north and south polar regions. Named after Kristian Birkeland, the scientist a century ago who first...

March 23, 2017

Atmospheric supersonic plasma jets discovered

Supersonic plasma jets discovered

Scientists analyzing data obtained by Swarm trio of satellites have discovered supersonic plasma jets high up in our atmosphere that can push temperatures up to almost 10 000 °C (18 000 °F). The discovery was presented at this week’s Swarm Science...

March 23, 2017

highest resolution map of earth s lithospheric magnetic field

Highest resolution map of Earth’s lithospheric magnetic field

After three years of collecting data, Swarm mission scientists have produced the highest resolution map of Earth’s lithospheric magnetic field from space to date. The dataset combines measurements from ESA’s Swarm satellites with historical data from the...

March 21, 2017

jpl finds satellite lost in moon orbit

JPL finds satellite lost in Moon's orbit

A new technological application of interplanetary radar pioneered by scientists at NASA's Jet Propulsion Laboratory in Pasadena, California, has successfully located spacecraft orbiting the moon - one active, and one dormant. This new technique could assist...

March 09, 2017

first lightning detector in geostationary orbit

First lightning detector in a geostationary orbit

The first lightning detector in a geostationary orbit, the Geostationary Lightning Mapper (GLM), aboard GOES-16, is now transmitting data never before available to forecasters. The mapper continually looks for lightning flashes in the Western Hemisphere, so...

March 06, 2017

first imagery released from fy 4a geostationary satellite

First imagery from next-generation FY-4A geostationary satellite

China has released the first imagery from Fengyun-4A, the first of their second generation of Geostationary Meteorological Satellites. The satellite will support forecasts and warnings, numerical weather prediction, wildfire and space weather monitoring and more. It...

March 04, 2017

worcester crater mars

Mars Express finds remnants of mega-flood on Mars

Mars Express has captured images of one of the largest outflow channel networks on the Red Planet, providing evidence of ancient mega-flood on Mars, ESA announced today. The Kasei Valles channel system extends around 3 000 km (1 864 miles) from its source region in...

March 02, 2017

4spacex dragon spacecraft mission to the moon

SpaceX to fly two private citizens on a trip around the Moon

SpaceX will fly two private citizens on a trip around the Moon in the second quarter of 2018 using the Crew Dragon spacecraft, the company announced. The privately held company has been approached to fly two private citizens on a trip around the Moon late next year...

February 28, 2017

goes 16 suvi captures first solar images 2017

GOES-16 delivers its first images of the Sun

NASA's new geostationary satellite GOES-16 (previously known as GOES-R) has successfully captured first images using its Solar Ultraviolet Imager or SUVI instrument. SUVI replaces GOES Solar X-ray Imager (SXI) instrument in previous GOES satellites and...

February 27, 2017

gamma rays from far side solar flares

Fermi sees gamma rays from Sun's far side

Fermi Gamma-ray Space Telescope has observed high-energy light from solar eruptions located on the Sun's far side, which should block direct light from these events. This apparent paradox is providing solar scientists with a unique tool for exploring how charged...

January 31, 2017

swarm b on collision course with space debris

Swarm-B on possible collision course with space debris

US armed forces’ Joint Space Operations Center (JSpOC) has identified a close approach for ESA's Swarm-B satellite forecast to occur at 23:10 UTC on January 25, 2017. The forecast miss distance is just 361 m (1 184 feet), and this triggers a risk above the...

January 24, 2017

goes 16 full disk image january 15 2017

New age of weather satellites: GOES-16 sends first images

GOES-16, previously known as GOES-R, NOAA's newest weather satellite, has finally sent its first images. The release of the first images today is the latest step in a new age of weather satellites. It will be like high-definition from the heavens, NOAA says....

January 23, 2017

the OSIRIS REx spacecraft searching for Earth Trojan asteroids

Search party for Earth-Trojans starts in February 2017

The University of Arizona-led OSIRIS-REx mission will utilize the data collected during its two-year long mission to the Bennu asteroid in an attempt to search for elusive Earth-Trojan asteroids. Trojan asteroids accompany the planets during their journey around the...

December 21, 2016

scientists discover accelerating jet stream in earth core

Accelerating high-latitude jet stream discovered in Earth’s core

Scientists using data obtained by ESA's Swarm constellation of satellites have discovered a jet stream in the liquid iron part of Earth’s core 3 000 km (1 864 miles) beneath the surface. In addition, Swarm satellite data show that this jet stream is...

December 20, 2016

saturn cassini december2 featured

Cassini's new mission shows Saturn in a different light

The Cassini spacecraft has sent the first images of Saturn's atmosphere since the start of its new mission phase. The images reveal the planet's northern hemisphere as well as its unique hexagon jet stream. The newest phase of the NASA's Cassini...

December 07, 2016

saturn hexagon golden featured

Saturn's hexagon has mysteriously changed color

Saturn's famous hexagon, a structure on the planet's north pole has changed its color from blue to gold over the last four years. The cause is still unknown, and researchers are working to figure it out. The hexagon, a six-sided jet stream, is about 32 000...

October 27, 2016