F.10 PRISM Correction, FAQ posted, and pre-proposal teleconference today December 5, 2025.

Thus, to compare the Milky Way to the Hubble flow, one must consider a volume large enough so that the expansion of the Universe dominates over local, random motions.

With the discovery that “spiral nebulae” were other far-off galaxies, our place in the universe was established: we live in one galaxy much like many others. Today, astronomers study the Milky …

It is a barred spiral galaxy that contains over 100 billion stars, including our own Sun. Spanning more than 100,000 light-years in diameter, the Milky Way hosts countless solar systems, …

May 3, 2025 · The Milky Way, our home in the cosmos, is one of the most extraordinary objects in the universe. It is a sprawling, dynamic galaxy teeming with stars, nebulae, black holes, and …

The entire universe formed into a single galaxy in the 7th Millennium AD, turning the universe into the Milkyverse, at least that's what it's known as by the inhabitants of the former Milky Way …

Nov 8, 2021 · The beginning of the universe was a gaseous ball of high pressure, high temperature, and small in volume. A massive explosion occurs to this ball for 15000 million …

Let’s start with the Milky Way and imagine it has a smaller, companion galaxy that is orbiting the Milky Way like the Earth orbits the Sun. But the companion galaxy doesn’t have enough …

Our solar system—which includes the sun, Earth, and seven other planets—is part of this galaxy, called the Milky Way. The Milky Way contains hundreds of billions of stars like our sun. (And...

May 19, 2025 · Is the Milky Way unique? The Milky Way is just one of billions of galaxies in the Universe — a fact first proven by Edwin Hubble in the 20th century. But while it shares a …