Pat Reiffreplied to: RE: solar sails

The cool thing about a solar sail is that you can use the radiation pressure of sunlight and the pressure of the solar wind to help your spacecraft go...

3/24/2021

Pat Reiffreplied to: RE: 2024 eclipse in US

Absolutely I will be watching with my family. We take photographs and monitor the temperature, but mostly we will be enjoying the show. Don't miss i...

3/24/2021

Pat Reiffreplied to: RE: Northern lights

The Sun sends out a stream of particles, called the solar wind. Those hot particles, Hydrogen, Helium and heavier particles, are "ionized", meaning t...

3/24/2021

Pat Reiffreplied to: RE: When is the next big solar storm predicted?

The fact is, we really don't know. We are coming out of "solar minimum" now, when most the storms are from "coronal holes", which are generally not m...

10/16/2020

Pat Reiffreplied to: RE: Space weather predictions

The agency that is responsible for official space weather forecasts is NOAA (National Oceanic and Atmospheric Agency). Here is their website: http...

10/15/2020

Pat Reiffreplied to: RE: Research on space

I have never actually built an instrument, but I have been part of teams that examined the science questions and set the parameter ranges (in energy, ...

10/13/2020

Pat Reiffreplied to: RE: Magnetic effect

Sunspots are regions of strong, tangled, magnetic fields. The "boiling" convection cells, powered by the heat deep within the sun. wind up the pre-exi...

10/13/2020

Pat Reiffreplied to: RE: Dangers of Solar Storms

The sun will turn into a Red Giant in about 5 billion years. At that time it will become so huge that it will engulf the earth and we will all fry. ...

3/19/2018

Pat Reiffreplied to: RE: hobbie

I do have some old astronomy books, and some antique sundial and navigation device reproductions (e.g. several small sundial replicas and a brass sext...

3/19/2018

Pat Reiffreplied to: RE: Career

I did have three young children at once (an older daughter and boy/girl twins 21 months later). So having good child care is critical (and a supporti...

3/1/2017

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