Asteroid 2023 EY to fly past Earth at 0.6 LD

Asteroid 2023 EY to fly past Earth at 0.6 LD

A newly-discovered asteroid designated 2023 EY will fly past Earth at a distance of 0.6 LD / 0.0016 AU (239 356 km / 148 729 miles) at 11:39 UTC on March 17, 2023.

Asteroid 2023 EN flew past Earth at 0.3 LD

Asteroid 2023 EN flew past Earth at 0.3 LD

A newly-discovered asteroid designated 2023 EN flew past Earth at a distance of 0.3 LD / 0.00091 (136 134 km / 84 589 miles) from the center of our planet at 11:25 UTC on March 9, 2023.

Asteroid 2023 DR flew past Earth at 0.2 LD

Asteroid 2023 DR flew past Earth at 0.2 LD

A newly-discovered asteroid designated 2023 DR flew past Earth at a distance of 0.2 LD / 0.00051 AU (76 294 km / 47 407 miles) at 05:47 UTC on February 25, 2023.

Bright fireball south of Pittsburgh, Pennsylvania

Bright fireball south of Pittsburgh, Pennsylvania

A bright fireball was seen and recorded just south of Pittsburgh, Pennsylvania at 01:08 UTC on February 23, 2023. The event lasted between 3 and 7 seconds before the object disintegrated.

Aurorae discovered on all four major moons of Jupiter

Aurorae discovered on all four major moons of Jupiter

A team of astronomers using the W. M. Keck Observatory in Hawaii has discovered that aurorae at visible lengths appear on all four of Jupiter’s major moons, namely Io, Europa, Ganymede, and Callisto. The discovery was made using the High-Resolution Echelle Spectrometer (HIRES) at the Keck Observatory, as well as other high-resolution spectrographs at the Large Binocular Telescope and Apache Point Observatory.