Discussion in 'Free Fire Zone' started by Biak, Nov 2, 2011.
Artemis 1 takes pictures of the moon and Earth...
Just mere organisms are we.
What Earth would probably look like without its atmosphere.
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Or a molten core…
For hardcore astronuts I recommend the Larry Niven "Juggler of Worlds" quintet of books.
This just in...... From roughly 270,000 miles.
( or A LOT of kms)
Live streaming video from NASA
NASA Artemis I LIVE
Little blue marble.
Neptune as recently seen by Santa Claus.
James Webb doesn't look into only the deep Universe. It probes objects in our own solar system, too. This jewel is the eighth planet from the Sun: Neptune, seen with its rings. The small white dots that surround it are moons, and so is the big "pointed star" above. That's Triton, Neptune's largest satellite. The spikes are an artefact of the way James Webb's mirror system is constructed.
Read more: Ringed Neptune captured by James Webb telescope
The Arisians are watching with great interest.
Had to look up Arisians
On another note,
I was going to meet Joe in September 2020 but the damn Covid took him away.
Straight out of science fiction this one, but fascinating.
"Researchers from China have argued that the inner core reverses rotation every 35 years - and can move independently of the rest of the Earth's interior.
The Earth’s inner core — the solid ball of iron some 3,100 miles below our feet — has stopped turning with the rest of the planet and may have even started to spin in the opposite direction, a study has argued. The size of the dwarf planet Pluto, the inner core is able to rotate independently because of how it sits within the liquid metal outer core. Exactly how it rotates, however, has long been a subject of debate. Given its location at the heart of our planet, all that we know about the inner core comes from measuring how it affects the passage of seismic waves through it.
In their study, seismology professors Xiaodong Song and Yi Yang of China’s Peking University analysed seismic waves generated by earthquakes over the course of the last six decades.
They told the AFP that they found that rotation of Earth’s inner core “came to a near halt around 2009 and then turned in an opposite direction.
“We believe the inner core rotates — relative to the Earth’s surface — back and forth, like a swing.”
The researchers explained that “the cycle of the swing is about seven decades.” This means that the inner core would change its direction of rotation around once every 35 years.
According to the duo, the core last reversed course in the early seventies, and will do so again in the mid-2040s. These changes in rotation also line up with subtle changes in the length of the day — the exact time it takes the Earth to rotate on its axis."
The wobble of the Earth begins the spin…various different locations reduce or increase the wobble, increasing or decreasing the spin…Scientists will catch up with me eventually…
Give 'em time, old boy.
Is there a planet that is tidally locked to the Sun?
Apologies. Forgot this had already been posted in a different thread...and I replied to it.
Don't mock, you'll be 30 yourself one day...