Nav: Home

Eclipse season starts for NASA's SDO

February 13, 2018

On Sunday, Feb. 11, 2018, NASA's Solar Dynamics Observatory, or SDO, saw a total solar eclipse in space when Earth crossed its view of the Sun. Also known as a transit, Earth's passage was brief, lasting from 2:10 a.m. to 2:41 a.m. EST and covering the entire face of the Sun.

So marks the beginning of SDO's eclipse season -- as well as the mission's eighth launch anniversary. SDO's eclipse season is a three-week period that comes twice a year near the equinoxes during which Earth blocks SDO's view of the Sun for a short while each day. The eclipses are fairly short near the beginning and end of the season but ramp up to 72 minutes in the middle. Most spacecraft observing the Sun from an orbit around Earth have to contend with such eclipses. SDO's orbit is designed to maximize the amount of data the spacecraft can send back to Earth, but twice a year Earth gets in the way of the spacecraft's view. The spring eclipse season began on Feb. 10 with a partial eclipse and concludes March 5, 2018.
-end-


NASA/Goddard Space Flight Center

Related Spacecraft Articles:

'Oumuamua is not an alien spacecraft
Early reports of the interstellar visitor 'Oumuamua's odd characteristics led some to speculate that the object could be an alien spacecraft, sent from a distant civilization to examine our star system.
NASA's TESS spacecraft starts science operations
NASA's Transiting Exoplanet Survey Satellite has started its search for planets around nearby stars, officially beginning science operations on July 25, 2018.
NASA spacecraft finds new type of magnetic explosion
Four NASA spacecraft have observed magnetic reconnection in a turbulent region of the Earth's outer atmosphere known as the magnetosheath, the planet's first line of defense against the intensity of the solar wind.
do spacecraft, newborns and endangered shellfish have in common?
Researchers at University of California San Diego School of Medicine have developed a microbial detection technique so sensitive that it allows them to detect as few as 50-100 bacterial cells present on a surface.
Promising sensors for submarines, mines and spacecraft
Researchers from the Physics Department of Moscow State University and their colleagues have discovered a mechanism that allows gas sensors, based on nanocrystalline metal oxides, to work at room temperature.
NASA'S OSIRIS-REx spacecraft slingshots past Earth
NASA's asteroid sample return spacecraft successfully used Earth's gravity on Friday to slingshot itself on a path toward the asteroid Bennu, for a rendezvous next August.
On the road to creating an electrodeless spacecraft propulsion engine
Experiments by researchers give clues about the behavior of plasma in different environments.
NASA spacecraft investigate clues in radiation belts
NASA's Van Allen Probes uncover new phenomena in our near-Earth environment with their unique double orbit.
NASA spacecraft prepares to fly to new heights
NASA's Magnetospheric Multiscale mission begins a three-month long journey into a new orbit, taking it twice as far out as it has previously flown, to areas where magnetic reconnection is thought to trigger auroras.
Micro spacecraft investigates cometary water mystery
In September 2015, a team of astronomers successfully observed the entire hydrogen coma of the comet 67P/Churyumov-Gerasimenko, using the LAICA telescope onboard the PROCYON spacecraft.
More Spacecraft News and Spacecraft Current Events

Best Science Podcasts 2019

We have hand picked the best science podcasts for 2019. Sit back and enjoy new science podcasts updated daily from your favorite science news services and scientists.
Now Playing: TED Radio Hour

Rethinking Anger
Anger is universal and complex: it can be quiet, festering, justified, vengeful, and destructive. This hour, TED speakers explore the many sides of anger, why we need it, and who's allowed to feel it. Guests include psychologists Ryan Martin and Russell Kolts, writer Soraya Chemaly, former talk radio host Lisa Fritsch, and business professor Dan Moshavi.
Now Playing: Science for the People

#538 Nobels and Astrophysics
This week we start with this year's physics Nobel Prize awarded to Jim Peebles, Michel Mayor, and Didier Queloz and finish with a discussion of the Nobel Prizes as a way to award and highlight important science. Are they still relevant? When science breakthroughs are built on the backs of hundreds -- and sometimes thousands -- of people's hard work, how do you pick just three to highlight? Join host Rachelle Saunders and astrophysicist, author, and science communicator Ethan Siegel for their chat about astrophysics and Nobel Prizes.