The Unanswered Questions of Space: Quantum Entanglement, Dark Matter, and Dark Energy

James Webb Space Telescope (JWST) Findings:

• July 11 images released by the White House reveal stars with six-legged diffraction spikes caused by light bending around hexagonal mirror edges.
• Observations include giant fuzzy galaxies of enormous mass and highly magnified, distorted pink arcs representing distant objects.
• These arcs serve as gravitational lenses, a phenomenon predicted by Einstein, allowing astronomers to view the details of the first galaxies formed in the universe.
• Early galaxy images show "globular clusters" containing ~100,000 stars, raising the unsolved question of whether clusters formed before galaxies or vice versa.

Black Holes and Cosmic Origins:

• Giant black holes exist in nearly every galaxy, often revealed by high temperatures from material falling in or by observing objects orbiting a massive unseen center.
• The origin sequence remains unknown: it is unclear whether galaxies formed first and created black holes, or if black holes existed before galaxies formed.
• Colliding black holes and neutron stars have been observed; neutron star collisions are the source of heavy elements like gold found on Earth.
• Scientists confirm humans are composed of matter recycled from stars and neutron stars that exploded.

Search for Extraterrestrial Life:

• Astrophysicist John Mather predicts life likely occurs frequently but is mostly elementary, appearing in conditions with liquid water and appropriate temperatures.
• Complex life is considered rare in the history of the universe; there is no current evidence of neighbors or imminent danger from aliens.
• Current missions focus on Mars to cache rocks for potential fossil retrieval and probe Jupiter/Saturn satellites to detect organic molecules in subsurface oceans.
• JWST is currently analyzing planets orbiting small "M stars"; while large planets with atmospheres have been cataloged, small Earth-like planets currently show no detectable atmospheres.

Future Telescope Infrastructure:

• The Nancy Grace Roman Space Telescope is nearing completion, featuring a coronagraph to image planets directly.
• NASA, Congress, and the National Academy of Sciences are planning the "Habitable Worlds Observatory" to eventually image Earth-like planets around Sun-like stars.
• The ultimate goal is to find a second Earth to determine if humanity is alone.

Unresolved Cosmological Mysteries:

• Dark Matter: Invisible mass detected only via gravity; galaxies spin too fast to be held together by visible matter alone. Decades of laboratory searches have found no candidate particles.
• Dark Energy: A force causing the universe's expansion to accelerate rather than slow down as previously expected by gravity.
• Far-Future Universe: Due to dark energy acceleration, in ~100 billion years, distant galaxies will recede beyond visibility, leaving the observable universe with only the Milky Way and erasing evidence of cosmic history.
• Pre-Big Bang Theory: The prevailing hypothesis is "cosmic inflation," a quantum mechanical concept where an inflation field triggered expansion. This theory has observational support but remains largely speculative regarding what preceded it.
• Quantum Gravity: Theories suggesting space and time themselves are quantum in nature remain theoretically successful but offer no confirmed predictions, complicating concepts like wormholes and entanglement.