Posts by 

Deborah Byrd

Double Cluster in Perseus: How to find it

First, find the M- or W-shaped constellation Cassiopeia. The Double Cluster - 2 open star clusters - is nearby and beautiful in a dark sky.

Big Dipper stars point to North Star

The 2 outermost stars in the bowl of the Big Dipper always point to the North Star, aka Polaris. That's why astronomers call these stars The Pointers.

Achernar marks the end of the River

The bright, southerly star Achernar marks the end of the River in the constellation Eridanus. Many at northerly latitudes make a game of trying to catch a glimpse of it.

Say goodbye to Earth’s mini-moon on February 1 and 2

In November, a new mini-moon began orbiting Earth. NASA later confirmed it's a lost-and-found 60s-era rocket from the Surveyor 2 moon mission, launched more than 50 years ago. Now the object - SO 2020 - is coming close again for one last time. Here's how to see it!

China’s Chang’e 5 moon craft on a new mission: the sun

China's Chang'e 5 moon mission successfully returned moon rocks to Earth in December 2020 for the first time in 45 years. It's now headed toward an Earth-sun Lagrange point, with the goal of making sun observations.

NASA’s moon rocket test Saturday didn’t go as planned

This final test of NASA's SLS megarocket was needed to launch the first uncrewed mission in the Artemis program - Artemis 1 - by the end of 2021. Now the program's schedule is uncertain.

Theia 456 is a stretched-out stream of sibling stars

A close look at the "stellar stream" known as Theia 456 finds it contains contains 468 stars born at the same time.

SDO spies its 1st lunar transit of 2021

NASA's Solar Dynamics Observatory has been continuously observing the sun since its launch in 2010. From its vantage point above Earth, it sees the moon pass in front of the sun 2 to 5 times a year.

A new record for the most distant quasar

Astronomers have a new measurement for the distance of quasar J0313-1806, making it the new record-holder for the most distant quasar known. We're seeing it just 670 million years after the Big Bang, or more than 13 billion light-years away.

View from space: An outburst from Popocatépetl

Popocatépetl volcano near Mexico City has been erupting since January 2005. On January 6, Mexico’s National Center for Prevention of Disasters, which continuously monitors the volcano, warned people not to approach due to an outburst that caused falling ash and rock fragments.