Tag Archive for 'Solar System'

Ultima Thule’s ‘Lobes’ Are Not Spherical, New Horizons Images Show

Feb 14, 2019 by News Staff

A series of images from NASA’s New Horizons spacecraft contains important scientific information about the true shape of the Kuiper Belt object Ultima...

The south pole of Mars. Image credit: NASA.

Underground Volcanism on Mars May Have Been Active Extremely Recently

Feb 14, 2019 by News Staff

Recent radar observations from ESA’s Mars Express spacecraft were interpreted as evidence for melting beneath the south polar ice cap of Mars. Now, a...

The bright spots near the center of Occator crater are shown in enhanced color in this view from NASA’s Dawn robotic spacecraft. Image credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA / PSI / LPI.

Ceres’ Crust Kept Cryomagma Liquid for Millions of Years, Researchers Say

Feb 13, 2019 by News Staff

NASA’s Dawn mission recently spotted mysterious bright spots in the center of Occator Crater on the dwarf planet Ceres. According to a new study published...

Neptune and Uranus. Image credit: NASA / ESA / A. Simon, NASA’s Goddard Space Flight Center / M. Wong & A. Hsu, University of California, Berkeley.

Hubble Spots New Dark Storm on Neptune, Giant Polar Cap on Uranus

Feb 8, 2019 by News Staff

Since its launch into orbit in 1990, the NASA/ESA Hubble Space Telescope has helped astronomers to amass an album of outer planet images. Yearly monitoring...

This image from NASA’s Solar Dynamics Observatory (SDO) shows the Sun. Image credit: NASA / SDO.

Alfven Waves: Solar Magnetic Waves Behave Differently than Previously Thought

Feb 8, 2019 by News Staff

A team of physicists at Northumbria University, UK, has found that magnetic waves in the corona of our Sun — its outermost layer of atmosphere —...

A January 30, 2019, image from NASA’s Lunar Reconnaissance Orbiter orbiting the Moon shows Chang’e 4 lander; arrows indicate position of the lander on the floor of Von Karman crater; the sharp crater behind and to the left of the landing site is 12,800 feet (3,900 m) across and 1,970 feet (600 m) deep. Image credit: NASA / GSFC / Arizona State University.

NASA Orbiter Spies China’s Chang’e-4 Lander

Feb 7, 2019 by News Staff

NASA’s Lunar Reconnaissance Orbiter (LRO) recently caught a view of China National Space Administration’s Chang’e-4 lander on the lunar surface. A...

This image was captured by NASA’s Juno spacecraft as it performed its most recent close flyby of Jupiter on December 21, 2018. Image credit: NASA / JPL-Caltech / SwRI / MSSS / Gerald Eichstaedt / Sean Doran.

NASA Video Shows Massive Storm in Jupiter’s Southern Hemisphere

Feb 5, 2019 by News Staff

A giant Jovian storm called Oval BA is captured in an amazing new video from NASA’s Juno mission. Oval BA and the famed Great Red Spot. Image credit:...

A selfie taken by NASA’s Mars rover Curiosity on Sol 2291 (January 15, 2019) at the ‘Rock Hall’ drill site, located on Vera Rubin Ridge. Image credit: NASA / JPL-Caltech / MSSS.

Curiosity Makes First Surface Gravity Measurements on Mars

Feb 1, 2019 by News Staff

Gravimetry — the measurement of tiny changes in gravitational fields — can be used to probe the internal structure of Earth and other planets....

Illustration of NASA’s Parker Solar Probe approaching the Sun. Image credit: NASA / Johns Hopkins University Applied Physics Laboratory / Steve Gribben.

NASA’s Parker Solar Probe Completes Its First Orbit of Sun

Jan 31, 2019 by News Staff

NASA’s Parker Solar Probe successfully completed its first orbit of the Sun on January 19. Illustration of NASA’s Parker Solar Probe approaching the...

This image of asteroid Bennu was captured on January 17, 2019, from a distance of about one mile. Image credit: NASA / Goddard / University of Arizona / Lockheed Martin.

OSIRIS-REx Captures Sharper Images of Asteroid Bennu

Jan 29, 2019 by News Staff

NASA’s OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer) spacecraft has obtained new images of Bennu,...

The two Moon-exploring crew men of the Apollo 14 lunar landing mission photographed and collected the large rock pictured just above the exact center of this picture. The rock, casting a shadow off to the left, is the lunar breccia 14321. It lies between the wheel tracks made by the modular equipment transporter (MET) or rickshaw-type portable workbench. A few prints of the lunar overshoes of the crew members are at the left. This photo was made near the boulder field near the rim of Cone Crater. Image credit: NASA.

Terrestrial Meteorite Found on the Moon

Jan 29, 2019 by News Staff

A lunar rock sample collected by Apollo 14 astronauts in 1971 contains traces of minerals with a chemical composition common to Earth and very unusual...

An artist’s impression of the newly-discovered Kuiper Belt object. Image credit: Ko Arimatsu.

Astronomers Discover Kilometer-Sized Object in Kuiper Belt

Jan 29, 2019 by News Staff

A team of astronomers from Japan has discovered a 2.6-km (1.6 mile) wide object in the Kuiper Belt, a distant region of icy debris that extends far beyond...

This image from NASA’s New Horizons probe shows a Kuiper Belt object called Ultima Thule. Image credit: NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute.

New Horizons Sends Detailed Image of Ultima Thule

Jan 25, 2019 by News Staff

NASA’s New Horizons spacecraft has beamed back the most detailed image yet of the Kuiper Belt object Ultima Thule (2014 MU69). This image from NASA’s...

Greenwood et al discovered that water was present on Earth at an early stage in its evolution and survived the giant impact, which formed the Moon. This is an artist’s depiction of a catastrophic collision between two celestial bodies; such an impact between the proto-Earth and Theia likely formed the Moon. Image credit: NASA / JPL-Caltech.

Earth’s Essential Elements for Life Probably Came from Another Planet

Jan 24, 2019 by News Staff

Planetary researchers believe that our Moon was created more than 4.4 billion years ago in a catastrophic collision between proto-Earth and a hypothetical...

An artist’s concept of a dust storm on Titan. Image credit: NASA / ESA / IPGP / Labex UnivEarthS / University Paris Diderot.

‘Cooking’ of Ancient Organics Created Titan’s Mysterious Atmosphere

Jan 24, 2019 by News Staff

New research tackles one of the greatest mysteries about Saturn’s moon Titan: the origin of its present-day nitrogen atmosphere. Published in the Astrophysical...

Beyond Neptune, there is a large disk of small objects, called the Kuiper Belt and beyond that is the Oort Cloud, home of the comets. This artwork shows a section of Kuiper Belt, crowded with the icy cores of potential comets. Image credit: M. Kornmesser / ESO.

Massive Disk of Trans-Neptunian Objects Casts Doubt on Planet Nine

Jan 23, 2019 by News Staff

In 2016, Caltech astronomers showed that six distant solar system objects (2007 TG422, 2013 RF98, 2004 VN112, 2012 VP113, 2012 GB174 and a minor planet...

Saturn’s Great Northern Storm churning through the atmosphere in the planet’s northern hemisphere overtakes itself as it encircles the planet in this true-color view from NASA’s Cassini spacecraft. This picture, captured on February 25, 2011, was taken about 12 weeks after the storm began, and the clouds by this time had formed a tail that wrapped around the gas giant. Image credit: NASA / JPL-Caltech / Space Science Institute.

Length of Saturn’s Day Revised: 10 Hours 33 Minutes and 38 Seconds

Jan 22, 2019 by News Staff

NASA’s Cassini spacecraft observed Saturn’s ring system in unprecedented detail, and a team of planetary researchers from the University of California...

Juno Sees Two Massive Storms in Jupiter’s Southern Hemisphere

Jan 21, 2019 by News Staff

A stunning new image from NASA’s Juno robotic orbiter shows the famed Great Red Spot and a smaller storm called Oval BA. This image was captured by NASA’s...

NASA’s Cassini spacecraft in orbit around Saturn. Image credit: NASA / JPL-Caltech.

Saturn’s Rings are 10 to 100 Million Years Old, Much Younger than Planet

Jan 18, 2019 by News Staff

In the final phase of NASA’s Cassini mission, the spacecraft dived between Saturn and its innermost ring, at altitudes 1,616-2,423 miles (2,600-3,900...

It’s raining on Titan. Image credit: David A. Hardy, AstroArt / NASA.

Cassini Team Finds Evidence of Summer Rainfall at Titan’s North Pole

Jan 17, 2019 by News Staff

Observations from NASA’s Cassini spacecraft provide evidence of rainfall on the north pole of Saturn’s moon Titan. The rainfall would be the first...

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