Wobbling exoplanet hints at a hidden exomoon so massive it could redefine the word 'moon' altogether
That would make it thousands of times more massive than any moon orbiting a solar system plane — so massive it could make ...
A new discovery suggests the possibility of an exomoon with an unprecedentedly large mass, thousands of times larger than any ...
Astronomy on MSN
The sky today on Tuesday, January 13: Ganymede's turn to transit
Looking for a sky event this week? Check out our full Sky This Week column. January 12: Io's post-opposition transit Point ...
The Daily Galaxy on MSN
Astronomers detect alien moon so massive it might redefine what a moon is
A new study published as a pre-peer-reviewed paper on arXiv and accepted for publication in Astronomy & Astrophysics suggests ...
Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 on a ...
Jupiter’s moon Ganymede could be a vast dark matter detector, and upcoming space missions might be able to spot distinctive dark matter craters on its ancient surface. Physicists searching for dark ...
Astronomy on MSN
The Sky This Week from January 9 to 16: Jupiter at opposition
Sky This Week is brought to you in part by Celestron. Friday, January 9Mars is in conjunction with the Sun at 7 A.M. EST, invisible in our sky until mid-March. The bright moon Titan lies near its ...
When searching for the unknown, classic physics wisdom holds that a bigger detector boosts the chances of discovery. A physicist is taking that advice to heart, advancing a bold plan to use none other ...
Our solar system’s largest moon, Ganymede of Jupiter, has never been completely mapped — until now. Scientists led by Wheaton College’s Geoffrey Collins combined data from NASA’s Voyager 1, 2 and ...
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