[ moon

@nasa NASA ( @nasa )

Titan may be a "large" moon - its name even implies it! - but it is still dwarfed by its parent planet, Saturn. As it turns out, this is perfectly normal.

Although Titan (3200 miles or 5150 km across) is the second-largest moon in the solar system, Saturn is still much bigger, with a diameter almost 23 times larger than Titan’s. This disparity between planet and moon is the norm in the solar system. Earth’s diameter is “only” 3.7 times our moon’s diameter, making our natural satellite something of an oddity. (Another exception to the rule: dwarf planet Pluto’s diameter is just under two times that of its moon.) So the question isn't why is Titan so small (relatively speaking), but why is Earth’s moon so big?

This view looks toward the anti-Saturn hemisphere of Titan. North on Titan is up. The image was taken with the Cassini spacecraft wide-angle camera on April 18, 2015 using a near-infrared spectral filter with a passband centered at 752 nanometers.

The view was acquired at a distance of approximately 930,000 miles (1.5 million kilometers) from Titan. Image scale is 56 miles (90 kilometers) per pixel.

Credit: NASA/JPL-Caltech/Space Science Institute
#Cassini #Saturn #planets #space #solarsystem #titan #moon #nasa

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; 1 weeks ago

@nasa NASA ( @nasa )

A single crescent moon is a familiar sight in Earth's sky, but with Saturn's many moons, you can see three or even more.

The three moons shown here -- Titan (3,200 miles or 5,150 kilometers across), Mimas (246 miles or 396 kilometers across), and Rhea (949 miles or 1,527 kilometers across) -- show marked contrasts. Titan, the largest moon in this image, appears fuzzy because we only see its cloud layers. And because Titan's atmosphere refracts light around the moon, its crescent "wraps" just a little further around the moon than it would on an airless body. Rhea (upper left) appears rough because its icy surface is heavily cratered. And a close inspection of Mimas (center bottom), though difficult to see at this scale, shows surface irregularities due to its own violent history.

This view looks toward the anti-Saturn hemisphere of Titan. North on Titan is up. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on March 25, 2015.

Credit: NASA/JPL-Caltech/Space Science Institute

#nasa #cassini #saturn #space #moon #mimas #titan #rhea #science

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; 1 months ago

@nasa NASA ( @nasa )

Set your alarm! On Saturday morning, April 4, 2015, not long before sunrise on the East Coast, the bright full moon over North America should turn a lovely shade of celestial red during a total lunar eclipse. The lunar eclipse will be visible from all parts of the United States. Eastern North America and western South America can see beginning stages of the partial umbral eclipse low in the west before sunrise April 4, whereas middle Asia (India, western China, mid-Asian Russia) can view the ending stages of the partial umbral eclipse low in the east after sunset April 4. Greenland, Iceland, Europe, Africa and the Middle East won't see this eclipse at all. The total eclipse will last only five minutes.

From 6 - 8 a.m. EDT, NASA TV will offer live video and NASA astronomer Mitzi Adams will take Twitter questions via @NASA_Marshall on Twitter. Use the hashtag #eclipse2015 to send your questions.

#nasa #eclipse #lunareclipse #bloodmoon #space #moon #astronomy #science

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; 3 months ago

@iss International Space Station ( @iss )

"Rise and shine! Full #moon over the Gulf of Mexico. Less than one week before I come home." #AstroButch

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; 4 months ago

@yoga_girl Rachel Brathen ( @yoga_girl )

As the sea swallowed the sun once more, a tear fell from her eye and dissolved into the sand beneath us.
"What is it, why the tears?", I asked
and with a smile that nearly leaped across her cheeks, she answered: " Here comes the moon. " 🌙 I knew that moment that it is and always will be the simple things that plant the most phenomenal truths inside us. - Christopher Poindexter
@aman #life #letgo #live #sun #moon #love

: Amanpuri Puket Thailandia.
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; 5 months ago

@nasa NASA ( @nasa )

Ten years ago, an explorer from Earth parachuted into the haze of an alien moon toward an uncertain fate. After a gentle descent lasting more than two hours, it landed with a thud on a frigid floodplain, surrounded by icy cobblestones. With this feat, the Huygens probe accomplished humanity's first landing on a moon in the outer solar system. Huygens was safely on Titan, the largest moon of Saturn.
These images of Saturn's moon Titan were taken on Jan. 14, 2005 by the Huygens probe at four different altitudes. The images are a flattened (Mercator) projection of the view from the descent imager/spectral radiometer on the probe as it landed on Titan's surface.

Image Credit: ESA/NASA/JPL/University of Arizona

#nasa #otd #space #titan #cassini #huygens #huygens10 #esa #moon #science

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; 6 months ago

@hayleysummer1994 M. Hayley Summer H. ( @hayleysummer1994 )

Photo taken by me.

Many of us dreamed of becoming a NASA astronaut when we were young. Some of us never got over that dream.

#NASA #moon

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; 7 months ago

@omega OMEGA Watches ( @omega )

Proudly presenting the Speedmaster “Grey Side of the Moon” – a metallic grey ceramic timepiece with 950 platinum accents and a stylish grey leather strap. #omega #omegawatches #watch #watches #speedmaster #greysideofthemoon #gsotm #moonwatch #moon #grey #ceramic #chronograph #chronometer #coaxial #technology #design #luxury

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; 7 months ago

@nasa NASA ( @nasa )

Hinode Spacecraft Captures Images of Partial Solar Eclipse: A partial solar eclipse was visible from much of North America before sundown on Thursday, Oct.23. A partial eclipse occurs when the moon blocks a portion of the sun from view. As viewed from Hinode's vantage point in space, this eclipse was annular instead of partial, which means that the entire moon moved in front of the sun but did not cover it completely. In this situation, a ring of the sun encircles the dark disk of the moon.

The Hinode spacecraft captured images the eclipse as it passed over North America using its X-ray Telescope. During the eclipse, the new moon eased across the sun from right to left with the sun shining brilliantly in the background. And as a stroke of good luck, this solar cycle's largest active region, which has been the source of several large flares over the past week, was centered on the sun's disk as the moon transited!

Led by the Japan Aerospace Exploration Agency (JAXA), the Hinode mission is a collaboration between the space agencies of Japan, the United States, the United Kingdom and Europe.
Image Credit: NASA

#nasa #sun #solareclipse #eclipse #space #hinode #spacecraft #moon #science

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; 9 months ago

@nasa NASA ( @nasa )

Don't Stare! How to Safely Watch Today's Partial Solar Eclipse: During the late afternoon today, a partial solar eclipse will be visible from much of North America before sundown. Partial eclipses occur when the moon blocks part of the sun from view. However, it is NEVER safe to look at the sun with the naked eye.

A partial solar eclipse occurs when the moon obscures only part of the sun from Earth's view.

Image Credit: T. Ruen

#eclipse #solareclipse #nasa #sun #moon #science

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; 9 months ago

@freepeople freepeople ( @freepeople )

The most mystical time of year... Welcome, October! 🌙 📷 by @hummusbirrrrrrrd #freepeople #moon #october

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; 10 months ago

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