MetaFilter posts tagged with solarsystem

Orbiting at 19 miles a second, so it's reckoned...

From Bklyn — Thu, 03 Dec 2009 02:11:59 -0800

Oh, so that's how that works. I never got the whole 'Mars in Retrograde' thing. This really helped. More than this description by Dr.Feynman of the elliptical orbit of the planets, and definitely more than this song-and-dance description of, well, the Universe.

Objects in Space

Artw — Sat, 21 Feb 2009 01:44:06 -0800

Do gravity holes harbour planetary assassins?

The Whole Earth Photolog

Rhaomi — Fri, 03 Oct 2008 22:34:54 -0800

From grainy stills to gorgeous high-resolution portraits, from intimate pairings to stark contrasts, and from old standbys to little-known surprises, The Planetary Society's Earth galleries offer a rich collection of stunning photography and video footage of our world as seen from both planetary spacecraft and geostationary satellites. It is a vista that has inspired many a deep thought in the lucky few that have seen it firsthand [previously]. Oh, and the rest of the Solar System is pretty neat, too.

God-like powers, at last

MrMoonPie — Fri, 15 Aug 2008 12:39:28 -0800

Flash Friday Fun! Excellent, physics-based game wherein you control the sun, trying to grab planets and keep them in orbit. Any game that includes the admonition not to "go hyperbola" is OK by me.

Borealis Basin

Kronos_to_Earth — Thu, 26 Jun 2008 23:21:07 -0800

Plate tectonics early in its history have been suggested as an explanation of Mars' unsymmetrical shape. Multiple impacts [pdf] have been proposed. Or possibly, it's the result of a single, highly energetic impact....

Mission to Mercury

Artw — Mon, 14 Jan 2008 15:28:21 -0800

Mercury Messenger, a NASA probe, just performed a fly-by of Mercury at a height of 200 kilometers. It's the first spacecraft to visit Mercury since 1975.

Hot space bot uses stirling engine

Artw — Mon, 12 Nov 2007 12:24:57 -0800

NASA proposes using a Stirling cooler (essentially a Stirling engine in reverse) to keep a probe cool on the surface of Venus, which has had a tendency to melt or smash previous probes. The cooler would maintain a 25cm sphere within the probe at 200°C -- 100°C above the boiling point of water but sufficiently cool for a high-temperature microcontroller to operate. The waste heat radiators on the exterior of the sphere would reach the temperature of 500°C, 40°C above the the normal Venusian surface temperature.

Golden Ratios

digaman — Sat, 07 Apr 2007 08:21:30 -0800

Did the roof of the Pantheon influence Copernicus? Are the planets of the solar system aligned in accordance with a nearly-forgotten hypothesis known (unfairly) as Bode's Law? A fascinating wide-ranging discussion on BLDGBLOG with Walter Murch, the visionary editor and sound designer for such films as The Conversation, Apocalypse Now, The English Patient, THX1138, and many others. [Murch's film work has previously been discussed here and here.]

7 mph would be the equivalent of driving at the speed of light

jessamyn — Mon, 04 Sep 2006 07:23:22 -0800

At forty miles (64.4 km) from Pluto to Sun, the Maine Solar System Model is the largest complete three-dimensional scale model of the solar system in the world. What, you didn't know there was more than one? And yes, Pluto is staying put.

Years of basic science textbooks down the drain...

twiggy — Thu, 24 Aug 2006 06:47:36 -0800

My very elegant mother just sat upon ninjas ... the textbooks, mnemonic devices and more will have to be changed today. Pluto has been demoted from its status as planet to a dwarf planet. We now have 8 in our solar system. The debate is not at all new, and its apparent resolution may not matter to our everyday lives, but it's just a little weird to think of all of the things that will have to be retroactively edited or amended as a result.

Enough speculation Pluto, time to see if you really are a planet.

Phantomx — Tue, 17 Jan 2006 02:53:22 -0800

The New Horizons spacecraft will be the first man-made object to visit our controversial sibling planet. An Atlas V will be used to launch the craft to the fastest speed that man has ever hurled an object to the heavens. Due to this and the small size of Pluto, the probe will only be capable of one flyby. Today is the first day in the launch window that the rocket is hoped to be launched.

road trip, anyone?

dazed_one — Sat, 12 Nov 2005 13:10:41 -0800

Explore our local chunk of space. Here is a scale view of the Solar System, and here one can take a quick trip around it. Use the guidebook to plan your trip (but beware the pop-up ads). Don't forget to bring a camera and snap some photos.

Cassini Flies by Tethys

brownpau — Mon, 26 Sep 2005 20:04:59 -0800

Cassini Flies by Tethys and Hyperion, and the photos so far have been awesome and weird. I especially want to point out this fascinating view, which, if you look at it closely, reveals what appears to be a string of small impact craters, in a straight line over older terrain. What kind of meteor impact could have produced such an excellent formation of craters? Hyperion photos are coming. (Kokogiak's got backup in case the JRUNS strike.)

space sounds

dhruva — Mon, 25 Jul 2005 19:56:34 -0800

Saturn's Eerie Radio Emissions and other space sounds.

The Lovely Universe

panoptican — Sat, 12 Feb 2005 00:28:43 -0800

Six million pixels from Gracela... er, Pluto. A scale model of our solar system. It turns out, we're really, really small.

Who can invent for us a cartography of autonomy, who can draw a map that includes our desires? - Hakim Bey

absalom — Thu, 27 Jan 2005 17:51:57 -0800

Cartography is a skill pretty much taken for granted now, but it wasn't always so. Accurate maps were once prized state secrets, laborious efforts that cost a fortune and took years (or even decades) to complete.

How things have changed. (Yours now, $110) It took almost 500 years to map North America, but it's only taken one tenth of that to map just everything else. In the last 50 years, we've been able to create acurate atlases of two planets and one moon (with a second in the works). Actually, we've done a lot more than that. We're actually running out of things to map.

Maybe Not.

Mysteries of Titan

KirkJobSluder — Fri, 05 Nov 2004 15:14:26 -0800

Saturn's enigmatic moon Titan holds on to its mysteries. Radar images reveal quite a bit of variation but no clear interpretation. The hazy atmosphere prevents the sudden shock of discovery that characterized the Voyager and Galileo flybys of the moons of Jupiter, revealing little more than fuzzy Rorschach blobs. With less than 1% of the surface mapped, researchers suspect that Titan has a young surface shaped by processes that have yet to be revealed.

Planet X?

Slagman — Sun, 14 Mar 2004 13:59:10 -0800

An unusual solar object is the subject of a NASA news conference on Monday. The mothership? Or a 10th planet? Thanks to MemeFirst. (Related reading: Is Pluto really a planet?)

solar system

crunchland — Sat, 15 Nov 2003 06:16:35 -0800

solar system [note: requires anark plugin]

2000 EB173 gets a name

rdr — Sun, 24 Aug 2003 04:48:35 -0800

Large rock named Huya! 3 years after being discovered a large object (?) orbiting the sun has been named.

Mmmm... Jovian Clam Chowdah

ursus_comiter — Fri, 13 Jun 2003 15:11:25 -0800

From the Sun to Pluto. And beyond lurks the Lobster Nebula...

Aroostook County in Northern Maine has created North America's largest scale model of the Solar System, to be officially unveiled tomorrow (Saturday - June 14, 2003). The model runs along 40 miles of highway with a scale of 1 mile to 1 AU. The project took four years to complete and did not have a budget.

3-D Maps of Nearby Space

kirkaracha — Fri, 30 May 2003 12:36:11 -0800

3-D Maps of Nearby Space "The first detailed map of space within about 1,000 light years of Earth places the solar system in the middle of a large hole that pierces the plane of the galaxy...The new map, produced by University of California, Berkeley, and French astronomers, alters the reigning view of the solar neighborhood." (one view|another view|links to bigger images)

Pioneer 10 finally gives it up for good.

40 Watt — Tue, 25 Feb 2003 22:41:00 -0800

Pioneer 10 space probe finally packs it in for good. So long, little fella...

Celestia: A free real time space simulation

grahamwell — Tue, 04 Feb 2003 10:23:46 -0800

Celestia is the most beautiful toy. It's a free (open source) simulator of the universe, including breathtaking models of known planets. Watch Jupiter rise over Io or follow the course of a solar eclipse. [more inside]

blackholebrain — Fri, 11 Oct 2002 08:20:32 -0800

The Photon Belt ....along with Maitreya & the greatest sign....and Stargods & 36ft tall humans....all make for some far-out Friday frolicking.