Posts by 

Deborah Byrd

Noctilucent clouds over Europe last week

Time-lapse video of the amazing noctilucent cloud display over northern Europe on July 12-14, 2016. Adrien Mauduit called it a "storm" of these clouds.

Gamma ray bursts and pencil-thin jets

Stellar mergers that cause gamma ray bursts might make pencil-thin jets. If true, since most jets won't be pointed our way, we'll see no sign of most mergers.

1.2 million galaxies in 3D

A new map of the universe - based on observations of 1.2 million galaxies - confirms cosmologists' theories about the web of galaxies making up our universe as a whole.

Noctilucent clouds over northern Europe

Photos from far northern Europe last night and this morning (July 13 and 14, 2016) of a wonderful display of noctilucent, or night-shining, clouds.

Juno’s 1st in-orbit view of Jupiter

Color view from JunoCam, showing the planet, the Red Spot and several moons. Plus ... calling all astrophotographers to participate in the mission!

Earth’s shadow in infrared

"I wasn't happy with my visible light photos, but Earth's shadow showed great in IR. The rest was just working out the photo conditions by trial and error."

Deepest-yet look into Orion Nebula

Peering deeper into the Orion Nebula than ever before, astronomers have found a plethora of low-mass objects, some isolated "planets" and some brown dwarfs.

New dwarf planet beyond Neptune

The object labeled RR245 is traveling toward its closest approach to our sun. It'll reach this (very distant) closest point - 3 billion miles, or 5 billion km - around 2096.

See it! Young moon near Jupiter

The waxing crescent moon swept near Jupiter this weekend as seen from all parts of Earth. Photos from EarthSky friends, here ...

ESA to capture large derelict satellite

The European Space Agency is moving forward with plans to capture and remove a large piece of space debris, in a mission called e.Deorbit, by 2023.