View allAll Photos Tagged Propeller
A close-up of Saturn's A ring reveals dozens of small, bright streaks
aligned with the orbital direction of the rings. These objects are the
propeller-shaped features first captured in Cassini images during the
spacecraft's 2004 orbital insertion maneuver, as Cassini skimmed just
above the ringplane.
The propeller features were announced in 2006 (see PIA07792).
Each propeller is the visible gravitational disturbance created around a
small moonlet embedded in the ring. The moonlets are likely between 10 and
100 meters (30 to 300 feet) across. Cassini imaging scientists have
previously found that propeller swarms like this occur primarily in three
narrow bands in the middle part of the A ring.
This view looks toward the sunlit side of the rings from about 35 degrees
below the ringplane. The image was taken in visible light with the Cassini
spacecraft narrow-angle camera on Sept. 25, 2008. The view was acquired at
a distance of approximately 219,000 kilometers (136,000 miles) above the
rings and at a Sun-ring-spacecraft, or phase, angle of 127 degrees. Image
scale is 1 kilometer (0.6 mile) per pixel in the radial, or outward from
Saturn direction and 2 kilometers (1 mile) in the longitudinal, or around
Saturn, direction.
The Cassini-Huygens mission is a cooperative project of NASA, the European
Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory,
a division of the California Institute of Technology in Pasadena, manages
the mission for NASA's Science Mission Directorate, Washington, D.C. The
Cassini orbiter and its two onboard cameras were designed, developed and
assembled at JPL. The imaging operations center is based at the Space
Science Institute in Boulder, Colo.
For more information about the Cassini-Huygens mission visit
saturn.jpl.nasa.gov. The Cassini imaging team
homepage is at ciclops.org.
credit: NASA/JPL/Space Science Institute
This is a propeller-style grinder, which actually chops the coffee, rather than grinding it. We used a Braun like this one for years. Grinding coffee just before it is brewed minimizes staleness, and these grinders are easy to use. The problem with this type, though, is that it chops coffee into particles of many sizes -- large particles are not fully extracted while small particles are over-extracted, releasing bitter oils.
Propeller plane 1 is posted in Cars category.
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Simple, sturdy propeller assembly for whirligigs using PVC piping. Ask me for free article on the process.
The lobby of the hotel. Only staffed from 8-12 in the morning, but always available for photos. The display at bottom holds postcards of all of the rooms
DWB111 is another emission nebula in Cygnus. Little is known about this object including its distance from Earth.
FSQ-106EDX F3.6 Exposure: SII 5x20 min., Ha 5x20 min., OIII 5x20 min. Binned 1x1
High Resolution Image Available Here:
www.willowriseobservatory.com/ImageUploads/Propeller1(2012_06_09).jpg
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A few years ago, the Intrepid was due to be taken to a dry dock for some renovations. Over the years, mud had built up around the hull and the propellers were stuck in it. So once they freed the ship, they removed them permanently and now one is on display in the hanger. It is HUGE.
Taken on my Nikkor 50mm prime lens, I liked the water spray pattern, but the rest was a little uninteresting. I tried some processing to give it some more interest.
Georgia Army National Guardsmen, Cpl. Jason Blount and Pfc. Lina Cox, military policemen with the Monroe based, 178th Military Police Company, conduct Raven unmanned aerial vehicle training on July 17, 2018 at Fort Stewart. The Raven system allows units to scout ahead to determine enemy size and composition prior to engagement.
Army National Guard photo by Staff Sgt. R. J. Lannom Jr
The Plastiki is a distinctive, one-of-a-kind 60 feet (18 m) catamaran made out of 12,500 reclaimed plastic bottles and other recycled PET plastic and waste products. The craft was built using cradle to cradle design philosophies and features many renewable energy systems, including solar panels, wind and trailing propeller turbines and bicycle generators. The frame was designed by Australian naval architect Andrew Dovell.
Simple, sturdy propeller assembly for whirligigs using PVC piping. Ask me for free article on the process.
The P-47 Thunderbolt, a.k.a. "Jug", was the largest single-engine fighter in World War II. It was a feared ground-attack aircraft and considered a premier fighter.
For the propeller bests, once I've carved the mouth out, I shape the teeth. I put each tooth in individually, and then trim them so they look sharper. The teeth in the upper half of the mouth have been trimmed, but not the ones in the lower half.
Lights:
Ha = 53 x 300 seconds
OIII = 96 x 300 seconds
SII = 51 x 300 seconds
Darks = 30
Astronomik 6nm Ha 1.25" Filter
Astronomik 6nm OIII 1.25" Filter
Astronomik 6nm SII 1.25" Filter
ASI 1600MM Pro
Lowest read noise preset
APT
Celestron Onyx EDF + AT2FF
PHD2 guiding; Orion SSAG; KWIQ guider
Data collected 8/17/2020, 8/26/2020, 9/5/2020, 9/7/2020