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Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

Take My Free Online College Introduction to Planetary Science and Astronomy CSUDH Class

Bruce Betts • February 04, 2015 • 2

Our own Dr. Bruce Betts is once again teaching his Introduction to Planetary Science and Astronomy college course online. Come join him.

Intro Astronomy 2014. Class 12: The Sun and Stars

Bruce Betts • May 01, 2014

Explore the physical characteristics and inner workings of the Sun and then learn all about Stars and Stellar Evolution in this video of class 12 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Take My Free Online College Introduction to Planetary Science and Astronomy CSUDH Class

Bruce Betts • February 05, 2014 • 9

Our own Dr. Bruce Betts is once again teaching his Introduction to Planetary Science and Astronomy college course online. Come join him.

Mysterious tides in the Martian atmosphere

Armin Kleinboehl • August 07, 2013 • 1

Observations made by the Mars Climate Sounder, an instrument aboard NASA’s Mars Reconnaissance Orbiter, have revealed new information about atmospheric tides on the Red Planet.

RBSP to explore decades-old radiation belt mysteries

Jason Davis • August 24, 2012

NASA's Radiation Belt Storm Probes will shed new light on the Van Allen Radiation Belts, a dangerous region of space in our planet's backyard.

"False-tonal recording?" The sounds of a coronal mass ejection

Emily Lakdawalla • March 15, 2012

A new "sonification" of the recent solar storm by Robert Alexander (a University of Michigan graduate student), employing data from the MESSENGER and SOHO spacecraft.

Solar storm in progress

Emily Lakdawalla • March 07, 2012

Last night the Sun unleashed a large coronal mass ejection in our direction. Here is a compilation of images from SOHO's two LASCO cameras, plus a prediction from the new space weather prediction model that I learned about at the American Geophysical Union in December. The storm will arrive at Earth on March 8.

Solar flares from Skylab

Jason Davis • January 26, 2012

Before automated space observatories like SDO could send pictures and videos of solar phenomenon in real-time, humans had to do it manually, as in the case of the groundbreaking Skylab space station missions, which featured the Apollo Telescope Mount.

The state of Earth observation, January 2012

Jason Davis • January 09, 2012

As of November 2011, the Earth Observing Handbook counts 109 active missions to study the Earth as a planet, with 112 more approved and planned for the future. Jason Davis provides an overview of key current and upcoming earth-observing missions.

Good news, everyone: We're getting as good at space weather forecasts as we are at Earth weather forecasts

Emily Lakdawalla • December 06, 2011 • 1

Emily reports from the Fall 2011 American Geophyisical Union meeting about advancements in space weather prediction.

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