Join Donate

Blog Archive

 

Video: Comet Lovejoy entered SOHO's LASCO C3 field of view this morning!

Emily Lakdawalla • December 14, 2011

An animation of comet Lovejoy entering the field of view of one of SOHO's Sun-monitoring cameras.

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

Emily Lakdawalla • December 06, 2011

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

Sungrazing with Lovejoy's Comet

Jason Davis • December 06, 2011

Observations of the newly sighted Kreutz sungrazer comet C/2011 W3 (Lovejoy) from the ground and from SOHO (a joint NASA/ESA satellite) and STEREO (NASA's Solar Terrestrial Relations Observatory).

Spotting Jupiter's Moons...with a Solar Telescope!?

Emily Lakdawalla • April 06, 2011

I was astounded to learn this morning that SOHO can not only see Jupiter, it can actually resolve Jupiter's moons (at least its two outer ones) as points of light separate from their planet!

Mars conjunction today: Cool SOHO/SDO video

Emily Lakdawalla • February 04, 2011

Today Mars made its closest approach to the Sun -- as seen from Earth, that is. Why is this important?

Solar eclipses from space: Hinode and SDO

Emily Lakdawalla • January 06, 2011

Two spacecraft that keep their ever-watchful eyes on the Sun -- NASA's Solar Dynamics Observatory (SDO) and JAXA's Hinode -- were doing their thing, when something large wandered past: the Moon.

SOHO's 2000th comet

Emily Lakdawalla • December 29, 2010

SOHO was launched more than 15 years ago to study the Sun, primarily; but a side benefit of its constant observation of the Sun has been its ability to notice "sungrazers," comets that are on deadly close approaches to our star.

A Martian Moment in Time, revisited

Emily Lakdawalla • May 12, 2010

A good start to my day today: The New York Times' Lens Blog featured the "Martian Moment in Time" photo that Opportunity took last week in a really nice writeup. I'm so grateful, and still a little surprised, that the folks on the Mars Exploration Rover mission took this idea and ran with it!

What it looks like when a CME explodes toward us

Emily Lakdawalla • April 14, 2010

The animation I posted yesterday, of a huge coronal mass ejection exploding away from the Sun, caused several people to ask if it could do Earth any harm.

Stellar explosion

Emily Lakdawalla • April 13, 2010

The Sun just spat out a huge coronal mass ejection, an event made visible by the watchful cameras on SOHO.

Revolutionary NASA Solar Explorer Roars to Space

Ken Kremer • February 15, 2010

Planetary Society volunteer Ken Kremer reports for us from the Kennedy Space Center, where he is covering the launch of Space Shuttle Endeavour, set to launch this weekend.

Items 21 - 31 of 31  Previous12
astronaut on Phobos
Let's Change the World

Become a member of The Planetary Society and together we will create the future of space exploration.

Join Today

Mars
Advocacy

Our Advocacy Program provides each Society member a voice in the process. Funding is crucial.

Donate

You are here: