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A recap of Comet Lovejoy

Jason Davis • December 22, 2011 • 1

A timeline of one of the most memorable solar events in recent memory: the observations by six Sun-observing spacecraft of Comet Lovejoy making its perihelion passage.

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 • 1

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.

MER
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