A 40-year-old enigma about ghostly magnetic fields in interplanetary space may have finally been solved by new data from a constellation of 12 satellites in near-Earth space.
Space Exploration
Feb 10, 2020
24
654
Asteroids and comets appear to be a much more important supplier of organic molecules on Mars than expected. Until now, astronomers assumed that the organics on Mars mainly came from dust particles from space. Now, computer ...
Space Exploration
Mar 14, 2018
3
238
(PhysOrg.com) -- In exploration, sometimes you find more than what you're looking for, including things that shouldn’t be there. As the Apollo 17 astronauts orbited over the night side of the moon, with the sun just beneath ...
Space Exploration
Jun 10, 2010
2
0
(Phys.org)—By studying the origins of different isotope ratios among the elements that make up today's smorgasbord of planets, moons, comets, asteroids, and interplanetary ice and dust, Mark Thiemens and his colleagues ...
Earth Sciences
Feb 20, 2013
1
0
(PhysOrg.com) -- Carbonaceous chondrites are a type of organic-rich meteorite that contain samples of the materials that took part in the creation of our planets nearly 4.6 billion years ago, including materials that were ...
Space Exploration
Jun 9, 2011
1
2
When in 1990 the solar probe Ulysses embarked on its 19-year-long exploration tour, the participating researchers turned their attention not only to our Sun, but also to significantly smaller research objects: interstellar ...
Astronomy
Oct 19, 2015
0
114
As anyone who has ever tried to clean a home knows, ridding yourself of dust is a Sisyphean effort. No surface stays free of it for long. It turns out that space is somewhat similar. Space is filled with interplanetary dust, ...
Space Exploration
Apr 29, 2021
8
124
It is thought that over 1,000 kilograms of so-called interplanetary dust falls to Earth every day. This dust is produced by an untold number of small faint meteors, discarded remnants of asteroids and comets that pass by ...
Astronomy
Nov 11, 2020
0
128
While the origin of life remains mysterious, scientists are finding more and more evidence that material created in space and delivered to Earth by comet and meteor impacts could have given a boost to the start of life. Some ...
Space Exploration
Feb 3, 2014
0
0
The closest planet to the sun appears to get hit by a periodic meteor shower, possibly associated with a comet that produces multiple events annually on Earth.
Space Exploration
Dec 15, 2014
0
0
