author, research scientist
It’s also thought that the extremely close quarters allowed the universe’s very first particles to mix, mingle, and settle into roughly the same temperature. Then, in an unimaginably small fraction of a second, all that matter and energy expanded outward more or less evenly, with tiny variations provided by fluctuations on the quantum scale. That…
SOFIA (Stratospheric Observatory for Infrared Astronomy)NASA’s SOFIA was a modified Boeing 747SP aircraft carrying a reflecting telescope that observed the cosmos in infrared light. SOFIA flew into Earth’s stratosphere, up to about 45,000 feet (13,700 meters), and collected data during 10-hour overnight flights, observing the Moon, planets, stars, nearby galaxies and more. SOFIA was a…
Can you imagine how “big” is the Universe? If you are looking at the nigh sky, just simply imagine a very small square of 2 mm x 2 mm.