DonThePhysicist

Here's a page taken out of context. Three of Jupiter’s Galilean moons are kinda 'lost'.They usually line up like ducks in a row. This emulation was set for 18:34 EST December 18. #astronomy

Enjoying the first cup of coffee this morning when I opened my astronomy app, I noticed Jupiter in the western sky. I zoomed in, and this is what showed up. #astronomy

Saturn is seen playing peek-a-boo with the Moon. Photo courtesy of Paul Stewart. #astrophotography #astronomy

How can I forget. I was there. The JWST launched from Kourou, French Guiana, on December 25, 2021, at 9:20 am. Talk about a nail bitter. There was a lot at stake.

Another beauty from an astrophotographer, Andrew McCarthy. #astrophotography #astronomy

Who knows, perhaps one day it will come to fruition.

Close-up and Personal. Image captured by Richard Gordan while in orbit on Apollo 12. #astrophotography #astronomy

I agree. Social media platforms are just too toxic. It is refreshing to have a sanctuary to come to.

The Blue Marble. Yes, the infamous "selfie" was captured in 1972 by Apollo 17. #astrophotography #astronomy

I have seen his works many times, and he does not disappoint.

An incredible shot by astrophotographer Andrew McCarthy. McCarthy says the photo is one of the “most meticulously planned” shots of his career, which has seen no shortage of carefully-planned images that have captured the world’s imagination. #astrophotography #astronomy

Captured by Apolllo 15 in 1971 at an orbital altitude of 2,600 miles above the lunar surface. #astronomy #astrophotography

Earth from Lagrange Point 1 courtesy of DSCVR satellite. #astronomy

The far side of the Moon brought to you by the Chinese Chang'e 5-T1 spacecraft. I realize that Pink Floyd called it the Dark Side of the Moon, but as you can see, there is no dark side; we just don't see it.
#astronomy #astrophotography

From the International Space Station, an impressive capture of the vast Pacific Ocean and the majestic Atlantic, along with the territories of Chile, Argentina, Uruguay,.and Paraguay.
Credit: Datos Ricardos
#astronomy #astrophotography

Lunar surface as seen from Apollo 15.

#astronomy #astrophotography

A stunning capture by astrophotographer Andrew McCarthy.

#-astrophotography
#astronomy

I'm looking forward to it.

Image of the Horsehead and Flame Nebulae, as seen from my location using Stellarium.

Image by Trevor Jones featuring the reflection Horsehead and the Flame Nebulae in the Orion Constellation.

If a person is 2,145,571,200 seconds old, which generational cohort does he or she identify as.

Well, let's hope that JFK Jr. does not denude and abrogate the EPA, USGS, and NPS.

The melting of floating ice raises the ocean level Summary. It is shown that the melting of ice floating on the ocean will introduce a volume of water about 2.6 per cent greater than that of the originally

Ah good! You had me concerned. There are several sources of peer-reviewed articles on the subject of Earth’s oceans. The Geophysical Journal International has an interesting read. Take a look.

academic.oup.com/gji/article/...

Darn! I used my trusty aluminum E6B that I got in 1976 when I was flight training. How can y'all afford the software? I'm retired and on a fixed income. If it's not free, I can't get it. My E6B said 52 miles. Oh well, I was close.

I'll just guess that you believe that the Earth is flat.

I'm concerned that the incoming administration will kill any inroads that have been made over the previous 25 years.

Here is a peer-reviewed article that might help.
royalsocietypublishing.org/doi/full/10....

You can't deny the damage that hurricanes and tornadoes have inflicted on the United States the last couple of years.

Oh, come on! Don't be shy... how about a googolplex? 😁

1 regular year is 31,536,000 seconds long. It would take 31,688 years to count to 1 trillion. For comparison, the oldest known cave paintings are 64,000 years old; that's around 2.02 trillion seconds.