Search results for stellar occultation

Astronomy Dec 29, 2023

NASA's Juno to get close look at Jupiter's volcanic moon Io on Dec. 30

NASA's Juno spacecraft will on Saturday, Dec. 30, make the closest flyby of Jupiter's moon Io that any spacecraft has made in over 20 years. Coming within roughly 930 miles (1,500 kilometers) from the surface of the most ...

Astronomy Nov 29, 2023

Observations find evolving material, not rings, circling Centaur Chiron

Observations during a stellar occultation detected the presence of evolving material orbiting around Centaur (2060) Chiron, rather than a two-ring system interpretation, according to a paper by Planetary Science Institute ...

Astronomy Mar 16, 2023

Prototype telescope launched to the International Space Station

A prototype telescope designed and built by Lawrence Livermore National Laboratory (LLNL) researchers has been launched from Cape Canaveral, Florida to the International Space Station (ISS).

Astronomy Jan 25, 2023

Webb spies Chariklo ring system with high-precision technique

In 2013, Felipe Braga-Ribas and collaborators, using ground-based telescopes, discovered that Chariklo hosts a system of two thin rings. Such rings had been expected only around large planets such as Jupiter and Neptune.

Astronomy Oct 26, 2022

Study investigates variability of V1180 Cas

Bulgarian astronomers have performed long-term optical photometric observations of a young variable star known as V1180 Cas. Results of the observational campaign deliver essential information about the variability of V1180 ...

Astronomy Oct 20, 2022

Shadow hunters capture Didymos asteroid eclipsing stars

After months of effort, astronomers have succeeded in capturing the momentary shadow cast by the Didymos asteroid, from tens of million kilometers away as it passed in front of far-distant stars—a feat of observation only ...

Astronomy Jan 3, 2022

Astronomers find mysterious dusty object orbiting a star

The Transiting Exoplanet Survey Satellite, TESS, was launched in 2018 with the goal of discovering small planets around the sun's nearest neighbor stars. TESS has so far discovered 172 confirmed exoplanets and compiled a ...

Astronomy Oct 27, 2021

The upside-down orbits of a multi-planetary system

When planets form, they usually continue their orbital evolution in the equatorial plane of their star. However, an international team, led by astronomers from the University of Geneva (UNIGE), Switzerland, has discovered ...

Space Exploration Jun 4, 2021

NASA's Juno to get a close look at Jupiter's moon Ganymede

The first of the gas-giant orbiter's back-to-back flybys will provide a close encounter with the massive moon after over 20 years.

Astronomy Apr 28, 2021

Quasi-periodic dipping detected in an ultraluminous X-ray source

Astronomers have performed a timing analysis of the ultraluminous X-ray source NGC 247 ULX-1 using ESA's XMM-Newton spacecraft. The study detected quasi-periodic dipping in the X-ray light curve of this source. The finding ...

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