Posts by 

Deborah Byrd

Charon’s surface youthful and varied

Pluto’s largest moon Charon has cliffs, troughs and a dark marking at its north pole, nicknamed 'Mordor' by New Horizons scientists.

Astronomers find Jupiter and sun twins

The most accurate analog ever found for our sun and and its largest planet, Jupiter. Could there be another Earth in this system, too?

Waning crescent Venus

Venus orbits the sun one step inward from Earth. It'll pass between us and the sun in mid-August. Until then, telescopes will show Venus as a waning crescent.

Dark matter bridge in cosmic neighborhood

Astronomers see a bridge of dark matter stretching from our Local Group to the Virgo galaxy cluster. It's bound on each side by vast bubbles devoid of galaxies.

Tracking station in Australia to receive first Pluto images

New Horizons' data will take 4.5 hours to reach Earth. The radio signals will be weak, practically whispers. Afterwards, New Horizons data is expected to take up to a year to transmit fully back to Earth.

Space artist depicted Pluto 36 years ago

Space artist Don Dixon captured Pluto in a painting 36 years before the New Horizons spacecraft revealed what it actually looks like.

Last best look at Pluto’s farside

A cool New Horizons image of the side of Pluto the spacecraft won't see as it sweeps past. Likely our last, best look for decades to come!

Rainbow over the desert

After a summertime desert shower ...

Will James Webb Telescope find new Earths?

If we took Earth and Venus - and had them orbit a cool, red star not too far away - could the James Webb Space Telescope tell which planet was habitable?

Cosmologists look beyond Standard Model

Cosmology - the science of the origin and development of the universe - has made progress in recent years. But many questions remain unanswered.