Free Science Videos and Lectures

Hinode captured a total eclipse in orbit on 19th March 2007, while it was just a partial eclipse on the ground.
These data are used to measure scatterd light of telescopes. X-ray Telescope (XRT)...

This science video contains:
japan, sun, sattelite, eclipse, hinode, spacecraft, xray, xrt, solar-b, moon, protuberances, chromosphere, sun's atmosphere

Do you know how tiny Earth is compared to other planets and stars?

We are very very tiny!
Earth is compared to Venus, Mars, Mercury and Pluto.
Then to Jupiter, Saturn , Uranus and Neptune
Then to...

This science video contains:
planets, stars, mercury, mars, venus, earth, neptune, saturn, jupiter, sun, sirius, pollux, arcturus, milky way, pluto, uranus, galaxy, sky, nasa, hubble telescope

The video shows how each planet scales in size relative to each other.

The exploration begins at the smallest planet Mercury which has diameter of just 4880 km, then comes Mars (6794 km), Venus,...

This science video contains:
planets, stars, mercury, mars, venus, earth, neptune, saturn, jupiter, sun, sirius, pollux, arcturus, rigel, beteigeuze, antares, my cephei, vv cephei