00009
TITLE
Category: telescopes

Category: telescopes

Rogue planets may be more numerous than stars in our galaxy

Enlarge / An artist’s conception of an ice-encrusted rogue planet. (credit: NASA’s Goddard Space Flight Center) Planets that go rogue orbit no star. They wander the vacuum of space alone, having been kicked out of their star systems by gravitational interactions with other planets and stars. Nobody really knows how many rogue planets could be out there, but that may change in a few years. Researchers from NASA’s Goddard Space Flight Center and Osaka University in Japan have used the phenomenon of gravitational microlensing to estimate the number of rogue planets that could be revealed in the heart of the Milky

Read More »

Communal stargazing using your phone: The Unistellar eQuinox 2, reviewed

Enlarge / The eQuinox 2 is ready for sundown in central Illinois. No eyepiece here, so have your smartphone handy if you want to stargaze. (credit: Eric Bangeman/Ars Technica) When we reviewed the Unistellar eVscope a couple of years ago, we came away impressed. It offered a communal stargazing experience that takes our ubiquitous smartphones and turns them into a way to view the heavens. Unistellar’s newest offering is the eQuinox 2, a lower-cost alternative to eVscope 2, taking all of the features from its original telescope, improving the technology, and dropping the price to $2,499. Unistellar’s smart telescopes are

Read More »