Mitzi Adamsreplied to: RE: ham radio

Viola, here at Marshall Space Flight Center, we have a pretty active ham-radio group. One of my colleagues has been strongly suggesting that I get my...

4 months ago

Mitzi Adamsreplied to: RE: Parker Solar Probe: water

PSP's heat shield will keep temperatures behind the shield to about room temperature. You can read more about PSP, the environment, and the instrumen...

4 months ago

Mitzi Adamsreplied to: RE: Rise in temperature in corona

The Sun as a stable star is in "equilibrium", with gravity pulling down on the gases that make up the Sun, and radiation pushing outward; gravity and ...

4 months ago

Mitzi Adamsreplied to: RE: hobby

I love to swim, and have participated in a few triathlons. But when I was young, I did not respect the Sun and had a great deal of sunburn, which can...

4 months ago

Mitzi Adamsreplied to: RE: storms

There have been rather large coronal holes on the Sun lately, as seen on this website: https://solarmonitor.org/. Look at the middle image of the se...

4 months ago

Mitzi Adamsreplied to: RE: solar power

Yes, I do. I have a 2 kilowatt solar photovoltaic system, which is tied to the electrical grid. The Tennessee Valley Authority pays me 8 cents per k...

4 months ago

Mitzi Adamsreplied to: RE: Sunspot cycle

We only have data from human observers from about 1610. Shortly after observers began looking at the Sun with telescopes, the Sun essentially stopped...

4 months ago

Mitzi Adamsreplied to: RE: Speed of the Sun?

The speed of objects revolving around the center of the galaxy is not as expected, and is some evidence for "dark matter". But, the Sun moves about t...

4 months ago

Mitzi Adamsreplied to: RE: Observing during Solar Eclipses

Yes we could, because only during a total solar eclipse can we see the inner corona. During a total solar eclipse, we can study the way events that b...

4 months ago

Mitzi Adamsreplied to: RE: Experiments

A lot of fun, because we are making discoveries about the way the universe works. But, experiments for astronomers are quite different from those a c...

4 months ago

Mitzi Adamsreplied to: RE: solar storm

I believe you are referring to some very recently published research by Scott McIntosh's group about Rossby waves (see, for example, https://phys.org/...

3/31/2017

Mitzi Adamsreplied to: RE: spots

Hi Lisa, Sunspots appear dark on the solar disk because they are cooler than the surrounding unspotted solar "surface" (photosphere). If you could...

3/31/2017

Mitzi Adamsreplied to: RE: eclipse

Hi Carla, South Florida will experience a partial eclipse and will not experience totality. The Sun will look as if a bite were taken from its dis...

3/29/2017

Mitzi Adamsreplied to: RE: atmosphere

Strictly speaking, the atmosphere never really ends, it gets thinner and thinner, but scientists have agreed to a limit of 10,000 km (6200 mi) for the...

3/29/2017

Mitzi Adamsreplied to: RE: hobbies

Yes. I have a 5-inch Celestron that I can use for night-time observing, but I also have a solar filter, which fits over the front end of the tele...

3/27/2017

Mitzi Adamsreplied to: RE: favorite planet

I have always been fascinated with Mars, possibly partly because I read H.G. Wells novel, "War of the Worlds". But the most beautiful planet to view ...

3/27/2017

Mitzi Adamsreplied to: RE: solar eclipse

Hi Victor, The last eclipse I experienced was in 2001. I was in Africa in the city Lusaka, Zambia. We had perfect skies for the eclipse and beaut...

3/27/2017

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