This Is Sci-fi
thisisscifi.bsky.social
This Is Sci-fi
@thisisscifi.bsky.social
Space facts, cosmic curiosity and science fiction
Jupiter's auroras are brilliant light shows in the planet's upper atmosphere that are caused by collisions between high-energy particles and gas atoms.
January 1, 2025 at 10:48 PM
Ceres is a fascinating Dwarf Planet that may have a subsurface ocean full of life.
December 4, 2024 at 11:11 PM
Why do black holes vary in size? medium.com/@thisisscifi...
December 3, 2024 at 11:25 AM
This is the greatest empire in science fiction.

medium.com/@thisisscifi...
December 2, 2024 at 9:44 AM
Is our concept of time wrong?
November 30, 2024 at 12:57 PM
What is a Neutron Star?
November 29, 2024 at 2:33 AM
10^10^16: A Stanford study suggests there are this many possible universes. It’s a 1 with about 45 zeros.
November 28, 2024 at 12:57 PM
Although the Sun loses 4.3 kilograms of mass PER SECOND, it's still a tiny fraction of its total mass. Over its lifetime, the Sun has only lost about 0.05% of its mass
November 27, 2024 at 12:11 AM
Saturns rings are not solid disks as they appear in photos. They are made up of chunks of ice, dust and rock.
November 26, 2024 at 3:58 AM
Jupiter is not only the largest planet in our solar system its also is the oldest planet, forming from the dust and gases left over from the Sun's formation 4.5 billion years ago. But it has the shortest day in the solar system, taking only 10.5 hours to spin around once on its axis
November 25, 2024 at 9:40 AM
This solar flare looks like a creature launching off the Sun. Some solar flares are so powerful they can affect electricity on Earth.
November 24, 2024 at 8:59 AM
How to build a space habitat? You need these major components.
November 22, 2024 at 5:54 AM
Anatomy of a black hole.
November 21, 2024 at 5:52 AM
This is the most detailed picture of the moon you’ve ever seen. It’s 708GB!
November 20, 2024 at 1:20 PM