With an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Astronomers measure a star’s brightness using the apparent magnitude system, where lower values indicate brighter stars. Sirius, Canopus, Alpha Centauri, Arcturus, Vega, Capella, and Rigel are ...

Significance of apparent magnitude in understanding stellar brightness In astronomy, the apparent magnitude scale allows us ...

Hot stuff The first plasma at the SMall Aspect Ratio Tokamak. (Courtesy: University of Seville) A novel fusion device based at the University of Seville in Spain has achieved its first plasma. The ...

NASA's Hubble Space Telescope has provided unprecedented details about the Andromeda galaxy's history and characteristics. Andromeda, a galaxy 2.5 million light-years from Earth, has been thoroughly ...

Let’s start at M37, a magnitude 6.2 cluster that spans about 24’, or half the width of the Full Moon. It’s the brightest of the three and also contains the most stars, with some 500 total ...

What’s that bright star ... brightest, with its disk 100% illuminated by the sun. It will rise around sunset and be visible until sunrise. During its 2025 opposition, Mars will reach –1.4 ...

Astronomers have noted a significant increase in brightness in recent weeks, especially after a dramatic outburst on January 2, which raised its visibility from a faint magnitude of +19 to an ...

CAN somebody stop the clock or press the pause button please? It feels like time is whizzing by so quickly and as soon as the year starts it ends. Last year was pretty bumpy, to say the least, but ...

Or maybe the North Star or the Dog Star ... It’s shining incredibly brightly at a magnitude of -4.3, making it one of the brightest objects in the night sky. A bright light in the east and south that ...

As it turns out, it was a 2.8 magnitude earthquake centered in the Wyndham area of Henrico County. The earthquake happened around 5:30 p.m. Initial reports indicate it had a depth of seven miles.