Galactic year

The Solar System is traveling at an average speed of 230 km/s (828,000 km/h) or 143 mi/s (514,000 mph) within its trajectory around the Galactic

2023 Sep 24

Media | NASA Space Place – NASA Science for Kids

explore How Did the Solar System Form? The story starts about 4.6 billion years ago, with a cloud of stellar dust. explore What Is the Solar Cycle? The Sun''s activity follows an

2025 Jul 20

Sun officially reaches solar maximum in its 11-year

The Solar Cycle 25 forecast, produced by the Solar Cycle 25 Prediction Panel, which is co-chaired by NASA and NOAA. Sunspot

2025 Jul 05

Everyday Effects of the Solar Cycle

The solar cycle also means the difference between coronal mass ejection-powered geomagnetic storms at solar maximum, which are

2023 Sep 28

How Long Is One Day on Other Planets?

When you think of a day, you normally think of one cycle of daytime to nighttime. That is called a solar day. On Earth, a solar day is around 24 hours. However, Earth''s orbit is

2024 May 17

Sunspots and Solar Flares

The amount of solar activity changes with the stages in the solar cycle. Solar activity can have effects here on Earth, so scientists closely monitor solar activity every day.

2023 Dec 06

Solar Cycle

The solar cycle is the approximately 11-year period of change in the Sun''s activity levels. This cycle is characterized by the rise and fall of sunspots,

2025 Feb 26

Sun: Facts

The Sun is the only star in our solar system. It is the center of our solar system, and its gravity holds the solar system together.

2024 Jun 20

ESA

This periodic change is known as the solar cycle. Importantly, reversing a magnetic field is a messy affair. As a result of the Sun''s magnetic field twisting and reshaping itself, the Sun

2023 Feb 25

What Is the Solar Cycle? | NASA Space Place –

The Sun''s magnetic field goes through a cycle, called the solar cycle. Every 11 years or so, the Sun''s magnetic field completely

2026 Feb 28

The sun in 2025: How the solar cycle will shape

We look ahead to 2025 as the sun ramps up its activity, driven by the peak of the current solar cycle.

2025 May 05

Home Solar Panels and Systems | Tesla

Tesla solar makes it easy to produce clean, renewable energy for your home and to take control of your energy use. Learn more about solar.

2024 Aug 28

Solar cycle: What is it and why does it matter?

Solar cycles are repetitive yet difficult to predict. A cycle can be as short as eight years or as long as 14 years and varies dramatically

2023 Oct 27

Solar Cycle Progression | NOAA / NWS Space Weather

The observed and predicted Solar Cycle is depicted in Sunspot Number in the top graph and F10.7cm Radio Flux in the bottom graph. The predicted progression for the current

2025 Oct 03

Has the sun already passed solar maximum?

Has the sun already reached solar maximum? New data suggests Solar Cycle 25 may have peaked earlier than expected. Find

2025 Nov 19

14.1.3: The Solar Cycle

Most solar researchers agree that the solar dynamo is located in the convection zone or in the interface layer between the convection zone

2025 Oct 24

How Long is a Year on Other Planets?

You probably know that a year is 365 days here on Earth. But did you know that on Mercury you''d have a birthday every 88 days? Read this article to find out how long it takes

2026 Jan 26

List of solar cycles

An example is the Meeus smoothing formula, [7] with related solar cycles characteristics available in this STCE news item. [8] The start of solar cycle 25 was declared by SIDC on September

2024 Jun 16