What is the difference between a planet-satellite system as we have with the Earth and moon, versus a binary planet—two planets orbiting each other in a cosmic do-si-do?
Astronomy
Oct 3, 2019
0
138
There is an as-yet-unseen population of Jupiter-like planets orbiting nearby Sun-like stars, awaiting discovery by future missions like NASA's WFIRST space telescope, according to new models of gas giant planet formation ...
Astronomy
Sep 27, 2019
1
229
The discovery of yet another exoplanet is no longer news. More than 4,000 planets around other stars have now been found since the detection of the first one in 1995. As astronomers long suspected, or at least hoped, it seems ...
Astronomy
Sep 27, 2019
1
73
It is known that gas giants around other stars are often located very near their sun. According to accepted theory, these gas planets were formed far away and subsequently migrated to an orbit closer to the star. Now, researchers ...
Astronomy
Mar 25, 2019
50
849
Researchers have identified a young star with four Jupiter and Saturn-sized planets in orbit around it, the first time that so many massive planets have been detected in such a young system. The system has also set a new ...
Astronomy
Oct 15, 2018
56
662
There are about 4433 exoplanets in the latest catalogs. Their radii have generally been measured by knowing the radius of their host star and then closely fitting the lightcurves as the planet transits across the face of ...
Astronomy
Sep 24, 2018
2
217
This image captures the intensity of the jets and vortices in Jupiter's North North Temperate Belt.
Space Exploration
Jun 20, 2018
0
33
See a jet stream speeding through Jupiter's atmosphere in this new view taken by NASA's Juno spacecraft. The jet stream, called Jet N2, was captured along the dynamic northern temperate belts of the gas giant planet. It is ...
Space Exploration
Jun 1, 2018
0
16
A fresh look at data from a 1997 flyby of Jupiter's moon, Europa, suggests that NASA's Galileo spacecraft flew directly through a watery plume, raising hopes of probing the jets for signs of life around the second planet ...
Space Exploration
May 14, 2018
22
350
A team of researchers with Keele University in the U.K. has described one of the darkest planets ever observed. In their paper uploaded to the arXiv preprint server, the team describes the planet and where it appears to stand ...
