2 days ago · The chronology of the universe describes the history and future of the universe according to Big Bang cosmology. Research published in 2015 estimates the earliest stages of the universe's existence as taking place 13.8 billion years ago, with an uncertainty of around 21 million years at the 68% confidence level. [1]

1 day ago · The sizes are listed in units of Jupiter radii (R J, 71 492 km).This list is designed to include all exoplanets that are larger than 1.6 times the size of Jupiter.Some well-known exoplanets that are smaller than 1.6 R J (17.93 R 🜨 or 114 387.2 km) have been included for the sake of comparison.

6 days ago · Stars are not spread uniformly across the universe but are normally grouped into galaxies along with interstellar gas and dust. A typical large galaxy like the Milky Way contains hundreds of billions of stars.

3 days ago · Steven Universe is an American animated television series created by Rebecca Sugar for Cartoon Network. It tells the coming-of-age story of a young boy, Steven Universe ( Zach Callison ), who lives with the Crystal Gems—magical, mineral-based aliens named Garnet ( Estelle ), Amethyst ( Michaela Dietz ) and Pearl ( Deedee Magno Hall )—in the ...

5 days ago · Shapley argued for a small universe the size of the Milky Way galaxy, and Curtis argued that the universe was much larger. The issue was resolved in the coming decade with Hubble's improved observations.

2 days ago · Discover the universe: Learn about the history of the cosmos, what it's made of, and so much more.

6 days ago · In the 5th century BCE, the Greek philosophers Philolaus and Hicetas speculated separately that the Earth was a sphere revolving daily around some mystical "central fire" that regulated the universe. Anaxagoras proposed that the Sun is a star around 450 BCE.

5 days ago · Hubble isn’t just famous for its photos, it’s a science powerhouse packed with mind-blowing stats. In this video, we break down some of the wildest numbers behind the telescope that changed how we see the universe. From astronaut upgrades to 1.6 million observations, Hubble’s done a lot in 30+ years.

5 days ago · Astronomers estimate that the universe could contain up to one septillion stars – that’s a one followed by 24 zeros. Our Milky Way alone contains more than 100 billion, including our most well-studied star, the Sun.

2 days ago · Using this, your conversation might soon be sparkling with grand thoughts about modern physics, time travel, going faster than light and the curvature of the universe.