Amazing Star Trails From NASA

An amaz­ing gallery of star trails was recent­ly uploaded by astro­nauts to NASA’s Inter­na­tion­al Space Sta­tion. In this col­lec­tion you will see two dozen breath­tak­ing pho­tographs of space

How did you man­age to achieve such incred­i­ble images of star trails? Every­thing here is quite sim­ple, the pho­tos were tak­en with a long expo­sure and a slow shut­ter speed. Pho­tog­ra­ph­er Don Petitt reveals the secret of the pho­to­graph­ic tech­niques that made it pos­si­ble to take such pho­tos. The star trail was caught with an expo­sure of 10–15 min­utes. But mod­ern dig­i­tal cam­eras can­not allow such a long expo­sure due to too much noise. There­fore, the pho­tog­ra­ph­er did what many ama­teur astronomers do — took many 30-sec­ond shots, then put them togeth­er using spe­cial soft­ware. The result is the effect of a 15-minute expo­sure

In this amaz­ing gallery, we have the oppor­tu­ni­ty to see the stel­lar tails pho­tographed from the Inter­na­tion­al Space Sta­tion, which orbits the Earth at an aver­age speed of 28,000 kilo­me­ters per hour. So let’s watch and enjoy

Many more beau­ti­ful space images are wait­ing for you in the gallery of incred­i­ble space pho­tos from NASA, as well as in a selec­tion of 15 pho­tos of Mars tak­en by spe­cial­ists from the Nation­al Space Agency

A selec­tion of such beau­ti­ful star shots can not leave any­one indif­fer­ent. I ask you to express your impres­sions in the com­ments and share your emo­tions 🙂