An astronomer with a portable telescope on a hill observes the starry sky
Palabras clave
space,
gravity,
astrophysics,
astronomy,
universe,
star,
galaxy,
planet,
exploration,
telescope,
theory,
scientific,
time,
light,
energy,
massa,
singularity,
matter,
black,
hole,
wave,
quantum,
observation,
study,
photon,
radiation,
expedition,
satellite,
orbit,
horizon,
technology,
discovery,
measurement,
datum,
astronaut,
science,
physics