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milagros-scarleth-mendoza-remigio
over 1 year ago
Astronomy
cuanto se demoraron en llegar a la luna
duracion de la mision
3
How big is space? As well how big is a star?
How big is space? As well how big is a star?
5
Can you explain Wein's Law?!
lease I'm not standingstandingAstandingstandingAA
1
Solved
mariyamrafi
about 5 years ago
Astronomy
if the time and date at greenwich is 9:00 and 31 december what would be the time in san francisco?
coordinates of san francisco are 37.7749 N and 122.4194 W
2
When earth receives energy from the sun ____
- a. some energy is reflected back into space
- b. some is absorbed by the atmosphere
- c. some is absorbed by land and water on Earth's surface
- d. all of the above
11
sadayappan
over 5 years ago
Astronomy
We can study how galaxies evolve because ______.
- A) Galaxies are transparent to visible light.
- B) We are really smart astronomers.
- C) We can watch as they interact in real time.
- D) The farther away we look, the further back in time we see.
6
mariyamrafi
about 5 years ago
Astronomy
if the time and date at greenwich is 9:00 and 31 december what would be the time in san francisco?
coordinates of san francisco are 37.7749 N and 122.4194 W
2
Can you explain Wein's Law?!
lease I'm not standingstandingAstandingstandingAA
1
Solved
The spectral sequence sorts stars according to
- A) Mass
- B) Surface temperature
- C) Luminosity
- D) Core temperature
- E) Radius
6
milagros-scarleth-mendoza-remigio
over 1 year ago
Astronomy
cuanto se demoraron en llegar a la luna
duracion de la mision
3
dharmaketu
over 5 years ago
Astronomy
A standard candle is _________.
- a. A light source of known luminosity
- b. Another name for a barred-spiral galaxy
- c. A 7-cm-long wax candle
- d. Another name for a main-sequence star
5
A typical white dwarf is _________.
- a. As massive as the Sun but only about as large in size as Jupiter
- b. About the same size and mass as the Sun but much hotter
- c. As massive as the Sun but only about as large in size as Earth
- d. As large in diameter as the Sun but only about as massive as Earth
4
Astronomy