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Still Waters

Israel robot sets its sights on the moon

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Still Waters

Israel is about to launch its first attempt to land on the Moon.

The Beresheet robot is a privately funded venture that aims to land and hop across the lunar surface.

It's a challenging prospect. Only government space agencies from the US, Russia and China have previously managed soft touchdowns.

The 1.5m-high, 585kg Beresheet will begin its mission with a ride to Earth orbit on a SpaceX Falcon 9 rocket from Cape Canaveral in Florida.

Once ejected from this vehicle, the robot will then use its British-built engine to propel itself to the Moon. The journey will take over two months to complete.

https://www.bbc.co.uk/news/science-environment-47313486

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ChrLzs

I see the BBC article thankfully didn't use the 'artists impression' that has popped up elsewhere, eg here:

First up, I have seen worse image creations, but not many.. - a few comments:

1. The moon's curvature has been exaggerated.

2. The craters look unusually consistently shaped and sized

3. The surface of the moon appears to be sunlit, yet the lightrays near the earth suggest the Sun is behind earth (see below also).  The darkening of the surface towards the horizon makes no sense - there are no clouds/atmosphere on the Moon...

4. There is no sign of thruster operation (but perhaps it is between pulses..)

5. The earth looks to be about two thirds daylit, yet the light rays/diffraction spikes suggest the Sun is behind the earth.  the carter shadows suggest the sun is more centrally located, to the left of the earth.  Neither of those positions would result in 2/3 daylighting.

6. The stars (and even more so, any nebulosity) would not be visible if any daylight is showing, and it clearly is.  This is almost forgivable for aesthetic purposes, but here it is particularly overdone.

7. Finally, the starfields shown are made up - it doesn't show any recognisable constellations / star groupings.  If I was doing one of these, I would make my star layout 'real' - it's not at all difficult to do.

 

OK, I'm being a nerd, but that image belongs nowhere except maybe a children's book.  Space Illustrators around the globe, please take note and improve...

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ChrLzs

The SpaceX launch went well (in very windy conditions..) and the spacecraft is now in orbit, awaiting the signals to send it on the trajectory to the moon.

SpaceX also successfully relanded their booster so it can be re-used.

https://mashable.com/article/spacex-falcon9-moon-lander-launch/#bg2EaV2CzZq4

 

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Derek Willis

So stars can be seen from the Moon - more proof that the Apollo missions were faked!

But seriously, I was surprised to read how after all the effort of building and launching the probe, once it is on the surface of the Moon it will only operate for two days. Apparently it will overheat due to not having any thermal control. Some of the Surveyor probes launched in the 1960's survived for a long time - for instance Surveyor 1 lasted over seven months. Their thermal control was white paint! Perhaps I have misread something.

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Farmer77

So ....um.... this project cost Israel 100 million USD....um.....didnt we just give them like 40 Billion USD in "aid"?

 

 

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and then
18 hours ago, Derek Willis said:

So stars can be seen from the Moon - more proof that the Apollo missions were faked!

But seriously, I was surprised to read how after all the effort of building and launching the probe, once it is on the surface of the Moon it will only operate for two days. Apparently it will overheat due to not having any thermal control. Some of the Surveyor probes launched in the 1960's survived for a long time - for instance Surveyor 1 lasted over seven months. Their thermal control was white paint! Perhaps I have misread something.

Small steps...

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Waspie_Dwarf
20 hours ago, Farmer77 said:

So ....um.... this project cost Israel 100 million USD....um.....didnt we just give them like 40 Billion USD in "aid"?

 

 

This project didn't cost Israel a penny. It's privately funded.

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and then
On 23/02/2019 at 4:47 AM, Waspie_Dwarf said:

This project didn't cost Israel a penny. It's privately funded.

They are an exemplary source of innovation and forward looking scientific endeavors.  

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Still Waters

Latest: 

Quote

Israeli Moon Lander Snaps Epic Space Selfie with a Full Earth

https://www.space.com/israel-moon-lander-earth-selfie.html

 

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bison

An unusual orientation of the Earth. North at left, instead of at the top. Besides Australia, right of center, Southeast Asia is visible at the left edge of the planet.  Of course there is no 'correct' orientation in space, merely the convention, which began with maps, of North at the top.  

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