Satellites and space missions

J0045+41

The most tightly coupled pair of supermassive black holes ever seen

An intriguing source has been discovered in the nearby Andromeda galaxy using data from NASA's Chandra X-ray Observatory and ground-based optical telescopes. Previously thought to be part of the Milky Way's neighbor galaxy, the new research shows this source...

December 03, 2017

winter polar vortex of titan

Unexpected atmospheric vortex behavior on Saturn’s moon Titan

A new study, led by a University of Bristol earth scientist, has shown that recently reported unexpected behavior on Titan, the largest moon of Saturn, is due to its unique atmospheric chemistry. Titan’s polar atmosphere recently experienced unexpected and...

November 29, 2017

geomagnetic storm

Plasma space tornadoes let high-energy particles into near-Earth space

Researchers using NASA's Magnetospheric Multiscale mission (MMS) discovered tornado-like swirls of plasma create a magnetosphere tumultuous enough to let harmful high-energy particles from the Sun slip into near-Earth space. The discovery is important for...

November 23, 2017

shift in ozone trends

Three decades of measurements show ozone's ups and downs

Climate scientists studying three decades of ozone measurements from seven satellites see a positive trend in global recovery after international efforts to curb ozone-depleting substances. The part of Earth’s atmosphere with high concentrations of ozone gas...

November 20, 2017

tiangong 1 space station

Heavenly Palace space station expected to fall back to Earth early 2018

China's first prototype space station, named Tiangong-1 (Chinese for "Heavenly Palace 1"), is expected to reenter the Earth's atmosphere sometime between January and March 2018 following the end of its operational life, during which most of the...

November 13, 2017

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Hubble sees nearby asteroids photobombing distant galaxies

Some of our solar system's asteroids have photobombed deep images of the universe taken by NASA's Hubble Space Telescope. These asteroids reside, on average, only about 99.4 million km (160 million miles) from Earth — right around the corner in...

November 05, 2017

comet96p

Return of the Comet: 96P spotted by ESA, NASA satellites

The ESA (European Space Agency) and NASA mission SOHO — short for Solar and Heliospheric Observatory — got a visit from an old friend this week when comet 96P entered its field of view on October 25, 2017. The comet entered the lower right corner of...

November 04, 2017

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'Monster' planet discovery challenges formation theory

A giant planet - the existence of which was previously thought extremely unlikely - has been discovered by an international collaboration of astronomers, with the University of Warwick taking a leading role. New research, led by Dr. Daniel Bayliss and Professor...

November 01, 2017

starburst

Spitzer reveals ancient galaxies' frenzied starmaking

A deep look back to the early universe by NASA's Spitzer Space Telescope has revealed a surprisingly rowdy bunch of galaxies. Within a large galaxy sample, Spitzer witnessed around 15% of galaxies undergoing bouts of extreme starmaking, called starbursts. The...

October 31, 2017

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Jets of ionospheric cold plasma discovered at the magnetopause

The Sun and Earth both produce powerful magnetic fields, and their intersection develops a complex system of physics that determines the space weather experienced by our planet. The solar wind - a constant stream of charged particles (plasma) emitted from the Sun -...

October 28, 2017

sentinel 1

Sentinel-1 sees through hurricanes, helping predict their paths

This year’s Atlantic hurricane season has been a harsh reminder of the grief and devastation brought by these vast storms. Imaging the top of hurricanes from space is nothing new, but the Sentinel-1 satellites can see right through these towering spinning...

October 28, 2017

osiris rex captured on september 20 2017 photo

OSIRIS-REx slingshots past Earth toward Asteroid Bennu

OSIRIS-REx, NASA’s asteroid sample return spacecraft successfully used Earth’s gravity on Friday, September 22, 2017 to slingshot itself on a path toward the Asteroid Bennu, for a rendezvous next August. The spacecraft came within 17 237 km (10 711...

September 24, 2017

jupiter auroras

Jupiter's auroras present a powerful mystery

Scientists on NASA's Juno mission have observed massive amounts of energy swirling over Jupiter's polar regions that contribute to the giant planet's powerful auroras - only not in ways the researchers expected. Examining data collected by the...

September 15, 2017

saturn aurora nasa

Saturn's 'weird' magnetic field perplexes scientists

The Cassini probe's first results from inside Saturn's rings make scientists question the conventional wisdom on how planets form magnetic fields. As NASA's Cassini spacecraft makes its unprecedented series of weekly dives between Saturn and its rings,...

July 27, 2017

quantum enabled satellite micius

China breaks quantum physics record, transmits entangled photons over 1 200 km

For the first time, scientists have realized the satellite-based distribution of entangled photon pairs over a distance of 1 200 km (745 miles). The photon pairs were demonstrated to be still entangled after traveling long distances and Bell's inequality was...

June 16, 2017

x ray tsunami discovered in perseus galaxy cluster

X-ray 'tsunami' discovered in Perseus galaxy cluster

Scientists have discovered a vast wave of hot gas in the nearby Perseus galaxy cluster, spanning some 200 000 light-years. This is twice the size of our own Milky Way galaxy. The discovery was made combining data from NASA's Chandra X-ray Observatory with radio...

May 02, 2017

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