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By using data from almost two billion stars,provided by the space observatory, Gaia, astrophysicists have discovered that stars experience earth-like quakes. The phenomena are known as non-radial oscillations and act like tsunami movements on a star’s crust, causing the star to change its shape. Gai...
- Wed Jun 29, 2022 8:47 pm
- Forum: Space exploration
- Topic: Nasa’s CubeSat to the Moon
- Replies: 0
- Views: 50
Yesterday, NASA launched a CubeSat to the Moon that’s no bigger than a microwave oven. The launch was from New Zealand. The aim of the launch is an experiment to find a suitable orbit for astronaut moon landings. If the experiment is a success, the Capstone CubeSat will be the first to take the new ...
It’s sad to hear about Paul’s passing. I,too, had cancer of the oesophagus over twenty-years ago.I can appreciate the anxieties Paul must have experienced during his illness. We win some; we lose some.
As far as I know Cliff, we should incorporate a IR filter in a wedge. As we know, most of the light and heat pass through the wedge, but there’s still enough residual IR reaching the eye to warrant filtering out. I have a Baader IR filter that can screw into the wedge or eyepiece. At the present tim...