22 Sep '11, 10pm

Seeing Equinoxes and Solstices from Space [image] #NASA

One of the most frequently misunderstood concepts in science is the reason for Earth’s seasons. As we experience the September equinox today—anyone try to balance an egg yet? —we thought we’d offer a space-based view of what’s going on. Around 6 a.m. local time each day, the Sun, Earth, and any geosynchronous satellite form a right angle, affording a nadir (straight down) view of the terminator, where the shadows of nightfall meet the sunlight of dusk and dawn. The shape of this line between night and day varies with the seasons, which means different lengths of days and differing amounts of warming sunshine. (The line is actually a curve because the Earth is round, but satellite images only show it in two-dimensions.) The Spinning Enhanced Visible and Infrared Imager (SEVIRI) on EUMETSAT's Meteosat-9 captured these four views of the day-night terminator on December 21, 20...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=52248&s...

Tweets

Seeing Equinoxes and Solstices from Space : Ima...

earthobservatory.nasa.gov 22 Sep '11, 10pm

One of the most frequently misunderstood concepts in science is the reason for Earth’s seasons. As we experience the Septe...

Northern lights as seen from the space - a supe...

earthobservatory.nasa.gov 27 Sep '11, 6am

And the skies of night were alive with light, with a throbbing, thrilling flame; Amber and rose and violet, opal and gold ...

Remembering UARS [image] #NASA

earthobservatory.nasa.gov 23 Sep '11, 10pm

Twenty years ago this month, astronauts on the space shuttle Discovery used the spacecraft's robotic arm to launch the Upp...

Four Corners, Southwestern U.S. [image] #NASA

earthobservatory.nasa.gov 24 Sep '11, 10pm

In just one place in the United States do four states meet. The borders of Utah, Colorado, New Mexico, and Arizona interse...

MUST SEE: Two Gorgeous Space Fly-Bys Present #Stunning Views Of Planet Earth

MUST SEE: Two Gorgeous Space Fly-Bys Present #S...

ecorazzi.com 23 Sep '11, 2pm

Our world has never looked more alien than what’s presented in these amazing fly-by videos courtesy of the International S...

Four Corners, Southwestern U.S.: Acquired June ...

earthobservatory.nasa.gov 24 Sep '11, 10pm

acquired June 11, 2001 download large image (3 MB, JPEG) acquired June 11, 2001 download GeoTIFF file (11 MB, TIFF) In jus...

September 24th, 2011 - Avant Première: Art Plur...

whatshappening.sg 22 Sep '11, 4pm

Art Plural Gallery is a 12'000 sqft space nestled over a four-storey heritage Art Deco building in the heart of Singapore’...

Space junk landed.

Space junk landed.

channelnewsasia.com 24 Sep '11, 7am

WASHINGTON: A decommissioned NASA satellite, the biggest piece of US space junk to fall in 30 years, has crash-landed but ...

[Event] September 26th, 2011 - Avant Première: ...

whatshappening.sg 24 Sep '11, 4pm

Art Plural Gallery is a 12'000 sqft space nestled over a four-storey heritage Art Deco building in the heart of Singapore’...

Approaching the 2011 Arctic Sea Ice Minimum [im...

earthobservatory.nasa.gov 21 Sep '11, 10pm

Every year, the frozen Arctic Ocean emerges from winter and thaws under the 24-hour light of the summer sun. Each year is ...

Crazy Cool #NASA Image & Animation of Northern Lights Around the World rt @DavidBTwit #Geography

Crazy Cool #NASA Image & Animation of Northern ...

earthobservatory.nasa.gov 01 Oct '11, 10pm

From space, the aurora is a crown of light that circles each of Earth’s poles. The IMAGE satellite captured this view of t...

Space junk \\"off California\\"

Space junk \\"off California\\"

channelnewsasia.com 24 Sep '11, 11pm

WASHINGTON: A bus-sized US satellite that hurtled unpredictably toward Earth crossed over Africa and the northern Atlantic...

Four Corners, Southwestern U.S.: Acquired June ...

earthobservatory.nasa.gov 24 Sep '11, 10pm

acquired June 11, 2001 download large image (3 MB, JPEG) acquired June 11, 2001 download GeoTIFF file (11 MB, TIFF) In jus...

GAVE YOU SPACE SO YOU COULD BREATHE

potcheeks.blogspot.com 02 Oct '11, 7am

GAVE YOU SPACE SO YOU COULD BREATHE But I know I have a fickle heart and bitterness, And a wandering eye, and a heaviness ...

台風第15号(ロウキー)。目がくっきり。 / “Typhoon Roke : Image of...

earthobservatory.nasa.gov 21 Sep '11, 12am

Typhoon Roke promises to bring unwelcome rain to areas of Japan still recovering from Typhoon Talas, which triggered lands...