light travel time Answers

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Could aliens be watching Earth on a time delay?
Yes. Distant aliens would see Earth in the past because light takes time to travel. The farther away they are, the older the view they get.
Could aliens be watching Earth on a time delay?
Yes. Distant aliens would see Earth in the past because light takes time to travel. The farther away they are, the older the view they get.
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Light Travel Time Answers · Maars

Explore light travel time with clear Q&A on how far away objects look, what we see from space, and related astronomy explainers and comparisons.

Could aliens have seen dinosaurs from space?
Yes, in principle, aliens far enough away could see Earth from the dinosaur era. But resolving an actual dinosaur would be extraordinarily difficult.
Education dinosaurs aliens+3
Best Answer93% confidenceMay 29, 2026
Best Answer93% confidenceMay 29, 2026

Best Answer88% confidence88%May 30, 2026

Best Answer88% confidenceMay 30, 2026

Learn how light travel time means distant aliens could see Earth before humans existed, and why resolving Earth’s details would be extremely hard.

Learn how light travel time means distant aliens could see Earth before humans existed, and why resolving Earth’s details would be extremely hard.

Best Answer96% confidence96%May 30, 2026

Best Answer96% confidenceMay 30, 2026

Explore light travel time with clear Q&A on how far away objects look, what we see from space, and related astronomy explainers and comparisons.

Could aliens have seen dinosaurs from space?
Yes, in principle, aliens far enough away could see Earth from the dinosaur era. But resolving an actual dinosaur would be extraordinarily difficult.
Education dinosaurs aliens+3
Best Answer93% confidenceMay 29, 2026
Best Answer93% confidenceMay 29, 2026