astronomy Physics

Earth as seen from the moon

In this video we can see the earth rise from the moon. It was taken about 10 years ago by the Japanese space agency JAXA (not NASA) from their lunar orbiter SELENE. The spacecraft orbited the moon for about a year before it was deliberately crashed in to the moon surface.

There are people who believe that the Earth is a flat disk and not a sphere. It is incredible I know. Apart from interpreting certain scriptures to support their claim it would seem that they have to also claim that all space agencies have faked all images of the earth since man’s quest into space began.

They also claim that there are no satellites (no GPS constellations), that there cannot be an International Space Station (ISS) in orbit and that man has never left the earth.

So they claim that this spacecraft could not have observed the spherical planet from the moon because no such craft ever left the planet. But the Japanese did send a spacecraft as have other nations. This one shows beautifully the jewel among the stars and it doesn’t look flat to me.

Watch on YouTube: Click this link

Sorry, it would seem that that movie titled “The Moon From Lunar Orbit: A Unique View Of The Moon / Earthrise (Series Of Recorded Videos)” is no longer playing on YouTube. Try this one instead.

The following 4K video was created from thousands of images taken by the JAXA SELENE/Kaguya lunar orbiter. The spacecraft orbited the Moon for a year and eight months, before intentionally impacting on crater Gill on June 10, 2009. The video has been upscaled and retimed to bring you some of the best views of the lunar surface.

  2. A FLAT EARTH AND OTHER NONSENSE by Robert Carter and Jonathan Sarfati

6/2/2020 Comment from a flat-earther: Haha you’re all comedians, but can’t see the reality that it is a fake video or believe that NASA could lie! Think about it. Where is the sun’s position, how bright should the moon be but isn’t, and seeing the earth seems to be in full light why is the background dark? When we are in day, the sky is blue. Perhaps someone has an answer.

My response: Number one, this video was not produced by NASA but by JAXA the Japanese space agency. I have had interactions with scientist colleagues from JAXA and find them to be a reputable organisation.

Number two: There is no atmosphere on the moon. Thus there are no molecules to scatter sunlight. You learn that in high-school. Hence the sky is black. On earth we see a blue sky because of scattered sunlight. Blue light (shorter wavelengths than red light) is scattered in all directions by the molecules of air in Earth’s atmosphere. Blue is scattered more than other colours because of its shorter wavelengths. As a result when we look at the sky we preferentially see the blue light component of sunlight which contains all the colours of the spectrum.

Then the automatic gain control on the camera on board the spacecraft reduces the aperture of the camera because of the high albedo of the moon. High albedo means high reflectivity. The moon reflects a little more than 10% of the sunlight hitting its surface. The moon’s surface has about 1/3rd the albedo of the earth’s surface. The reduction of the camera aperture means less light entering the camera so not to saturate the CCD module. Hence the moon surface does not look so bright, and note stars are not so easily seen in the black sky because the camera aperture is reduced.

Physics Science

SpaceX launch clearly shows the curvature of the Earth

I recently have had discussion with a few people on the claim by some (Bible believing Christians included) that the Earth is geologically flat. This is referred to as the Flat Earth (FE) claim. Yeah, I know it is very bizarre. One people even asked if this is a real thing. It is unfortunately true. But several of it proponents are atheist anti-Christians. So it is strange that that there are Bible believing Christians believe their rambling nonsense.

One of the arguments is that no one has ever seen the curvature of the spherical earth.

FEers argue that nothing NASA has shown can be trusted. They say that NASA uses green screens, Photoshop and all sorts of tricks to hide the alleged fact that the earth is a disk and not a sphere.

This video shows Earth from space from SpaceX spacecraft used to launch a stack of 60 Starlink satellites. SpaceX is a private company with Elon Musk as CEO. The launch occurred on January 29 at 9:06 a.m. EST (USA), or 14:06 UTC. You can clearly see the curvature of the earth.

Besides I don’t think the SpaceX Starlink company would have spent millions of dollars to put their own constellation of satellites into space if this was all a giant hoax. They would feel pretty conned. Considering that they are launching their satellites it is quite ludicrous. Ultimately the SpaceX plans to launch a global network 1,584 satellites (in the first stage) to orbit at about 300 km altitude to provide worldwide internet services at high speed broadband.

See curvature of the Earth in the background.

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  2. A FLAT EARTH AND OTHER NONSENSE by Robert Carter and Jonathan Sarfati
hermeneutics Uncategorized

Interesting monthly stats

On this site the current highest trending article for views is my story on my battle with h. pylori infection. See graph below.

You will notice that there has been a monthly increase in the number of views. This is really amazing, and now it is getting more that 1100 views/month.

The second highest article averages around 500 views/month and has been fairly constant for the past year. See graph below.

That article is about the fact that the Bible describes the planet earth hanging on nothing and that it is a globe, not flat as many foolish Christians nowadays assert.