Error finding content SELECT * FROM win_content WHERE PageID=3374 AND Element=2 AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3375 in
Error finding content SELECT * FROM win_content WHERE PageID=3375 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3376 in
Error finding content SELECT * FROM win_content WHERE PageID=3376 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3377 in
Error finding content SELECT * FROM win_content WHERE PageID=3377 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3378 in
Error finding content SELECT * FROM win_content WHERE PageID=3378 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3379 in
Error finding content SELECT * FROM win_content WHERE PageID=3379 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3380 in
Error finding content SELECT * FROM win_content WHERE PageID=3380 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3381 in
Error finding content SELECT * FROM win_content WHERE PageID=3381 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3382 in
Error finding content SELECT * FROM win_content WHERE PageID=3382 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3383 in
Error finding content SELECT * FROM win_content WHERE PageID=3383 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3384 in
Error finding content SELECT * FROM win_content WHERE PageID=3384 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3385 in
Error finding content SELECT * FROM win_content WHERE PageID=3385 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3386 in
Error finding content SELECT * FROM win_content WHERE PageID=3386 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3387 in
Error finding content SELECT * FROM win_content WHERE PageID=3387 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3389 in
Error finding content SELECT * FROM win_content WHERE PageID=3389 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3391 in
Error finding content SELECT * FROM win_content WHERE PageID=3391 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3392 in
Error finding content SELECT * FROM win_content WHERE PageID=3392 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3393 in
Error finding content SELECT * FROM win_content WHERE PageID=3393 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3395 in
Error finding content SELECT * FROM win_content WHERE PageID=3395 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3397 in
Error finding content SELECT * FROM win_content WHERE PageID=3397 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3398 in
Error finding content SELECT * FROM win_content WHERE PageID=3398 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3399 in
Error finding content SELECT * FROM win_content WHERE PageID=3399 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3400 in
Error finding content SELECT * FROM win_content WHERE PageID=3400 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3401 in
Error finding content SELECT * FROM win_content WHERE PageID=3401 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3402 in
Error finding content SELECT * FROM win_content WHERE PageID=3402 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3403 in
Error finding content SELECT * FROM win_content WHERE PageID=3403 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3404 in
Error finding content SELECT * FROM win_content WHERE PageID=3404 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3405 in
Error finding content SELECT * FROM win_content WHERE PageID=3405 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3406 in
Error finding content SELECT * FROM win_content WHERE PageID=3406 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3407 in
Error finding content SELECT * FROM win_content WHERE PageID=3407 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3408 in
Error finding content SELECT * FROM win_content WHERE PageID=3408 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3410 in
Error finding content SELECT * FROM win_content WHERE PageID=3410 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3411 in
Error finding content SELECT * FROM win_content WHERE PageID=3411 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3412 in
Error finding content SELECT * FROM win_content WHERE PageID=3412 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3413 in
Error finding content SELECT * FROM win_content WHERE PageID=3413 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3415 in
Error finding content SELECT * FROM win_content WHERE PageID=3415 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3416 in
Error finding content SELECT * FROM win_content WHERE PageID=3416 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3417 in
Error finding content SELECT * FROM win_content WHERE PageID=3417 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3418 in
Error finding content SELECT * FROM win_content WHERE PageID=3418 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3419 in
Error finding content SELECT * FROM win_content WHERE PageID=3419 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3420 in
Error finding content SELECT * FROM win_content WHERE PageID=3420 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3421 in
Error finding content SELECT * FROM win_content WHERE PageID=3421 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3422 in
Error finding content SELECT * FROM win_content WHERE PageID=3422 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3423 in
Error finding content SELECT * FROM win_content WHERE PageID=3423 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3425 in
Error finding content SELECT * FROM win_content WHERE PageID=3425 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3437 in
Error finding content SELECT * FROM win_content WHERE PageID=3437 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3438 in
Error finding content SELECT * FROM win_content WHERE PageID=3438 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3439 in
Error finding content SELECT * FROM win_content WHERE PageID=3439 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3440 in
Error finding content SELECT * FROM win_content WHERE PageID=3440 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3441 in
Error finding content SELECT * FROM win_content WHERE PageID=3441 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3442 in
Error finding content SELECT * FROM win_content WHERE PageID=3442 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3444 in
Error finding content SELECT * FROM win_content WHERE PageID=3444 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3445 in
Error finding content SELECT * FROM win_content WHERE PageID=3445 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3446 in
Error finding content SELECT * FROM win_content WHERE PageID=3446 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3447 in
Error finding content SELECT * FROM win_content WHERE PageID=3447 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3449 in
Error finding content SELECT * FROM win_content WHERE PageID=3449 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3451 in
Error finding content SELECT * FROM win_content WHERE PageID=3451 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3452 in
Error finding content SELECT * FROM win_content WHERE PageID=3452 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3453 in
Error finding content SELECT * FROM win_content WHERE PageID=3453 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3454 in
Error finding content SELECT * FROM win_content WHERE PageID=3454 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3455 in
Error finding content SELECT * FROM win_content WHERE PageID=3455 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 3514 in
Error finding content SELECT * FROM win_content WHERE PageID=3514 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 5950 in
Error finding content SELECT * FROM win_content WHERE PageID=5950 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 5983 in
Error finding content SELECT * FROM win_content WHERE PageID=5983 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 6510 in
Error finding content SELECT * FROM win_content WHERE PageID=6510 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
Error finding element ImageSmall
Error finding ID 6511 in
Error finding content SELECT * FROM win_content WHERE PageID=6511 AND Element= AND (Level='high' OR Level='all') AND Lang='en'
All Star Line Up: 61 Cygni A & B - Windows to the Universe
This image shows the change in position of the double star 61 Cygni. Compare the position of 61 Cygni to the background stars.
61 Cygni A & B
What's in a Name: Double Star designated 61 in Cygnus the Swan
Claim to Fame: Some of the closest stars to the sun(13th closest). Moving very rapidly through space as seen from Earth at a rate of ~45,000 miles per hour (72,000 km/hr)
Type of Star: Orange-red Main Sequence (Spectral Class K3.5 and K4)
How Far Away: 11.3 light years
How Big: 1/2 and 2.4 times the sun's radius
How Bright: 1/12 and 1/26 of the sun's visible brightness
Where to View: Barely visible to the unaided eye on a dark, moonless night. Located in Cygnus the Swan, also called the Northern Cross (Star Map).
When to View: June through November from northern middle latitudes.
You might also be interested in: How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable.
...more What's in a Name: Star designated 40 in the constellation Eridanus. Claim to Fame: One of the first white dwarfs found. A white dwarf is the exposed extremely hot core of a star that has blown off its
...more What's in a Name: Double Star designated 61 in Cygnus the Swan Claim to Fame: Some of the closest stars to the sun(13th closest). Moving very rapidly through space as seen from Earth at a rate of ~45,
...more What's in a Name: Arabic for "Follower" because it rises after the Pleiades. The Pleiades is a group of 6 stars traveling together through space. The eye of the constellation Taurus, the bull. Claim to
...more What's in a Name: Greek for "Bearkeeper". The bear is the constellation Ursa Major (the Great Bear). Claim to Fame: 4th brightest star in the sky. The reddish light of Arcturus striking a photoelectric
...more What's in a Name: Latin for "little she-goat". Also called alpha Aurigae. Claim to Fame: 6th brightest star in the night sky. Capella is the name given to a double star system (both stars are yellow giants).
...more What's in a Name: Arabic for "tail" because it is located in the tail of the Cygnus, the Swan. Claim to Fame: 19th brightest star in the sky (apparent visual magnitude = 1.3) Type of Star: White Supergiant
...more