(PhysOrg.com) -- Just as an expert chess player sacrifices a piece to protect the queen, the solar system may have given up a giant planet and spared the Earth, according to an article recently published in The Astrophysical ...
Astronomy
Nov 10, 2011
34
0
Neptune is the eight planet from our Sun, one of the four gas giants, and one of the four outer planets in our Solar System. Since the "demotion" of Pluto by the IAU to the status of a dwarf planet – and/or Plutoid and ...
Space Exploration
Sep 14, 2015
0
53
When the first object ever known to have visited the Earth's Solar System from outer space zoomed past in 2017, it was so strange that at least one leading astronomer was convinced it was an alien vessel.
Planetary Sciences
Mar 26, 2023
6
90
The Voyager spacecraft are now in the outermost layer of the heliosphere, traveling toward interstellar space - the first man-made spacecraft to travel such a vast distance from Earth.
Space Exploration
Nov 10, 2009
2
0
As space missions delve deeper into the outer solar system, the need for more compact, resource-conserving and accurate analytical tools has become increasingly critical—especially as the hunt for extraterrestrial life ...
Astrobiology
Jan 16, 2023
0
317
Jupiter has gotten whacked again.
Astronomy
Jun 4, 2010
12
0
New studies of a rare type of meteorite show that material from close to the Sun reached the outer solar system even as the planet Jupiter cleared a gap in the disk of dust and gas from which the planets formed. The results, ...
Astronomy
Sep 8, 2020
0
430
About a billion miles more distant than Pluto is Ultima Thule, a peanut-shaped object in the outer solar system that's the farthest place ever visited by humans.
Space Exploration
May 21, 2019
3
146
Earth and Mars were formed from material that largely originated in the inner solar system; only a few percent of the building blocks of these two planets originated beyond Jupiter's orbit. A group of researchers led by the ...
Planetary Sciences
Dec 23, 2021
2
547
The moon was exposed to a heavy bombardment of asteroids 3.9 billion years ago. The origin of this bombardment, however, was previously unclear. Planetologists at Münster University have now tested these hypotheses with ...
Planetary Sciences
Nov 8, 2021
0
475
